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subject index for August, 2017

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[Bug c++/80593] [7 Regression] GCC 7, aligned_storage and “dereferencing type-punned pointer will break strict-aliasing rules”

[Bug c++/81636] Confusing warning message containing "#‘obj_type_ref’ not supported by expression#"

[Bug c++/81796] New: error: no matching function for call to ‘S2::operator delete(void*)’

[Bug c++/81796] error: no matching function for call to ‘S2::operator delete(void*)’

[Bug c++/81359] [7/8 Regression] bogus error: constructor required before non-static data member for ‘Foo::Bar::test’ has been parsed

[Bug c++/82022] New: constexpr lambda in template context: expression ‘<lambda>’ is not a constant expression

[Bug c++/82022] constexpr lambda in template context: expression ‘<lambda>’ is not a constant expression

[Bug c++/82029] New: [8 Regression] bogus error: ‘__PRETTY_FUNCTION__’ was not declared in this scope

[Bug c++/82029] [8 Regression] bogus error: ‘__PRETTY_FUNCTION__’ was not declared in this scope

[Bug go/81946] runtime.inc:782:28: error: field ‘__sem_lock’ has incomplete type

[Bug go/81946] New: runtime.inc:782:28: error: field ‘__sem_lock’ has incomplete type

[Bug go/81966] runtime.inc:362:10: error: duplicate member ‘_’

[Bug go/81966] New: runtime.inc:362:10: error: duplicate member ‘_’

[Bug go/81449] runtime.inc:782:28: error: field ‘__sem_lock’ has incomplete type

[Bug libgcc/81775] New: GCC fails to compile: md-unwind-support.h:65 dereferencing pointer to incomplete type ‘struct ucontext’

[Bug libgcc/81775] GCC fails to compile: md-unwind-support.h:65 dereferencing pointer to incomplete type ‘struct ucontext’

[Bug libstdc++/81359] [7 Regression] bogus error: constructor required before non-static data member for ‘Foo::Bar::test’ has been parsed

[Bug middle-end/48544] "might be clobbered by ‘longjmp’" diagnostic for unmodified variable

[Bug middle-end/69026] dwarf2out.c:4295 warning: ‘finder[...]addr_table_entry_struct_union::label’ may be used uninitialized

[Bug sanitizer/81579] sanitizer_platform_limits_linux.cc:37:15: error: conflicting declaration ‘typedef __gid_t __kernel_gid_t’

[Bug sanitizer/81066] sanitizer_stoptheworld_linux_libcdep.cc:276:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined

[Bug ada/79441] [7/8 regression] gnat.dg/pack9.adb fails

[Bug ada/79542] [7 regression] ICE in add_gnat_descriptive_type_attribute

[Bug ada/79542] [7/8 regression] ICE in add_gnat_descriptive_type_attribute

[Bug ada/81878] --disable-bootstrap --enable-languages=ada fails

[Bug ada/81878] --disable-bootstrap --enable-languages=c,ada fails

[Bug ada/81878] New: --disable-bootstrap --enable-languages=c,ada fails

[Bug ada/81919] New: Compiler refuses to compile valid code

[Bug ada/81919] type derived from instantiation of Ada.Iterator_Interfaces wrongly rejected

[Bug ada/81956] [7 regression] calling a null procedure is not skipped

[Bug ada/81956] [7/8 regression] calling a null procedure is not skipped

[Bug ada/81956] New: [7 regression] calling a null procedure is not skipped

[Bug ada/81961] [7 regression] an imported unsized C array in the auto-translated binding raises Storage_Error

[Bug ada/81961] [7/8 regression] an imported unsized C array in the auto-translated binding raises Storage_Error

[Bug ada/81961] New: [7 regression] an imported unsized C array in the auto-translated binding raises Storage_Error

[Bug bootstrap/61440] Bootstrap failure with --with-build-config=bootstrap-lto

[Bug bootstrap/62077] --with-build-config=bootstrap-lto fails

[Bug bootstrap/79120] lm32 ICE in dwarf2out_frame_debug_expr, at dwarf2cfi.c:1747

[Bug bootstrap/80867] gnat bootstrap broken on powerpc64le-linux-gnu with -O3

[Bug bootstrap/80897] [8 regression] gnat bootstrap broken on SPARC64/Linux

[Bug bootstrap/81037] Xcode 9 requires back ports on gcc-5-branch for bootstrapping under Xcode 9

[Bug bootstrap/81298] [7 Regression] Bootstrapping trunk fails during stage1-bubble on x86_64-pc-linux-gnu with --enable-maintainer-mode

[Bug bootstrap/81638] [7 Regression] AIX bootstrap failure due to Recover GOTO predictor

[Bug bootstrap/81638] [8 Regression] AIX bootstrap failure due to Recover GOTO predictor

[Bug bootstrap/81710] build fail with glibc 2.26 due to removing ucontext/sigaltstack struct tags

[Bug bootstrap/81710] New: build fail with glibc 2.26 due to removing ucontext/sigaltstack struct tags

[Bug bootstrap/81711] __res_state is a struct and a function in glibc 2.26

[Bug bootstrap/81711] New: __res_state is a struct and a function in glibc 2.26

[Bug bootstrap/81856] AIX: Makefile:20538: recipe for target 'stage1-bubble' failed

[Bug bootstrap/81856] New: AIX: Makefile:20538: recipe for target 'stage1-bubble' failed

[Bug bootstrap/81864] building gcc 8 with --enable-gather-detailed-mem-stats fails on x86-64, arm and aarch64 under gnu linux

[Bug bootstrap/81864] New: building gcc 8 with --enable-gather-detailed-mem-stats fails on x86-64, arm and aarch64 under gnu linux

[Bug bootstrap/81869] [8 Regression] --enable-checking=yes,rtl failed to bootstrap on 32-bit hosts

[Bug bootstrap/81869] New: [8 Regression] --enable-checking=yes,rtl failed to bootstrap on 32-bit hosts

[Bug bootstrap/81881] [8 Regression] bootstrap failed on x86

[Bug bootstrap/81881] New: [8 Regression] bootstrap failed on x86

[Bug bootstrap/81883] bootstrap-lto build fails with undefined reference to `_Unwind_Resume'

[Bug bootstrap/81883] New: bootstrap-lto build fails with undefined reference to `_Unwind_Resume'

[Bug bootstrap/81926] go/parse.o differs between stage2 and stage3

[Bug bootstrap/81926] go/parse.o differs between stage2 and stage3 for gcc 7.2.0

[Bug bootstrap/81960] gcc doesn't compile on MAC OS X

[Bug bootstrap/81965] [8 Regression] ICE in stage 2 compiler while configuring libgcc in stage 2, during GIMPLE pass: cfg

[Bug bootstrap/81965] New: [8 Regression] ICE in stage 2 compiler while configuring libgcc in stage 2, during GIMPLE pass: cfg

[Bug bootstrap/81995] [8.0 Regression] gcc/reg-stack.c:2073:1: error: unrecognizable insn:

[Bug bootstrap/81995] New: [8.0 Regression] gcc/reg-stack.c:2073:1: error: unrecognizable insn:

[Bug bootstrap/82037] New: powerpc64-unknown-linux-gnu bootstrap breaks in stage2 with gcc/liblto_plugin.so: wrong ELF class: ELFCLASS64

[Bug bootstrap/82037] powerpc64-unknown-linux-gnu bootstrap breaks in stage2 with gcc/liblto_plugin.so: wrong ELF class: ELFCLASS64

[Bug bootstrap/82045] [8 regression] SPARC bootstrap broken: ICE in emit_library_call_value_1, at calls.c:4565

[Bug bootstrap/82045] New: [8 regression] SPARC bootstrap broken: ICE in emit_library_call_value_1, at calls.c:4565

[Bug c++/15369] "Wrong" line number for static constructor function

[Bug c++/16166] -Weffc++ finer granularity

[Bug c++/2082] g++ defines _GNU_SOURCE by default

[Bug c++/25814] Request for warning for parser ambiguity of function declarations and variable declarations with initializations

[Bug c++/26426] Type layout bug

[Bug c++/26748] gimplify_expr_stmt in cp-gimplifer.c does warnings

[Bug c++/30257] static initializers are attributed to bogus line number in coverage.

[Bug c++/30811] __FUNCTION__ allowed in function declaration

[Bug c++/30812] enhancement: exception specification in __PRETTY_FUNCTION__

[Bug c++/35758] vector_size attribute lost in function arguments for templates

[Bug c++/35878] [LWG 2302] Useless NULL pointer check when constructing object

[Bug c++/36685] clarify/diagnose use of weak constant

[Bug c++/38087] Pseudo destructor call

[Bug c++/39466] frepo relinking causes error - object in .o but not in .rpo or vice versa

[Bug c++/39679] Some absent attributes in the tree-dump should be added

[Bug c++/40897] g++ error on valid syntax (call of templated object method via this pointer)

[Bug c++/41423] missing warning for an uncallable function template

[Bug c++/43105] Document restrictions on mixing -fno-rtti and -frtti

[Bug c++/43454] warning with -Wall despite __attribute__ ((__unused__))

[Bug c++/44283] bad error recovery for explicit template instantiation in wrong namespace

[Bug c++/44400] GCC allows declaring a function having the name of the class using a typedef

[Bug c++/44520] improve diagnostic for ambiguous lookup

[Bug c++/44580] inconsistent "right-hand operand of comma has no effect"

[Bug c++/45033] "delete" does overload resolution for class operands, but shouldn't.

[Bug c++/45065] -fvisibility-inlines-hidden: Decl order in derived class affects visibility of inlines in base.

[Bug c++/45113] absent or confusing diagnostics of invalid template argument list in implicit template class instantiation

[Bug c++/45963] inconsistent and poor array initialization diagnostic

[Bug c++/46634] cp/typeck2.c: uses BITS_PER_UNIT in lieu of TYPE_PRECISION (char_type_node)

[Bug c++/47256] "--sysroot" option is not passed to COLLECT_GCC_OPTIONS

[Bug c++/48829] g++ no warning initializing a variable using itself

[Bug c++/4898] adding an option to verify exception specifications

[Bug c++/49224] [C++0x] Scoped enumeration instantiated even if not required

[Bug c++/49531] Doesn't resolve to conversion function template specialization in expressions

[Bug c++/50169] "new struct X {{}};" incorrectly treated as an invalid struct-definition

[Bug c++/50445] Rejects use of constant expression using a pointer non-type template parameter

[Bug c++/50456] attributes ignored on member templates

[Bug c++/51234] ambiguity in mangling function attribute

[Bug c++/51277] Feature request: C++ diagnostic for ambiguous overloads

[Bug c++/51545] missing -Wparentheses diagnostic with compound assignment used as condition

[Bug c++/51789] GCC does not consider SFINAE in template parameter list of template parameter pack

[Bug c++/51836] -Wsequence-point fails when convoluted expressions with multiple side effects are used

[Bug c++/52130] missing check for matching underlying type during instantiation of enum member of class template

[Bug c++/52202] [C++11][DR 1376] Should not extend lifetime of temporary wrapped in static_cast to reference type

[Bug c++/52320] missing destructor call after thrown exception in initializer

[Bug c++/52477] Wrong initialization order? __attribute__((constructor)) vs static data access

[Bug c++/52801] improve selective typedef unwrapping

[Bug c++/52869] [DR 1207] "this" not being allowed in noexcept clauses

[Bug c++/52953] function parameter name redeclarations not detected

[Bug c++/52960] Missing warnings on ambiguous source : function decl vs local var decl

[Bug c++/52961] Make -Wempty-body less noisy and enable it with -Wall

[Bug c++/53215] Warn if orphaned memory is created by ignoring return value of new

[Bug c++/53360] g++ prints 'invalid use of incomplete type' error when compiling code with -std=gnu++0x and newer

[Bug c++/53431] C++ preprocessor ignores #pragma GCC diagnostic

[Bug c++/53506] Variadic templates in combination with function pointer problem

[Bug c++/53782] Pointer to static function member expression rejected in class template

[Bug c++/53972] array constant expression not valid as template argument

[Bug c++/54052] g++ takes excessive time in opt and generate phase; can lead to Segmentation Fault when not enough memory available

[Bug c++/54574] G++ accepts parameters with wrong types in parent constructor

[Bug c++/54710] moderately large tuple, with many gets, increases compile time

[Bug c++/55588] Failure to diagnose non-template-id prefixed by keyword template

[Bug c++/55809] Doesn't differentiate elaborated type specifier and typename specifier in dependent types

[Bug c++/56272] Poor diagnostics for error: specialization of ... after instantiation

[Bug c++/56556] Wshadow warns for private members in base classes

[Bug c++/56698] "array subscript is above array bounds" triggered on code that doesn't have that problem

[Bug c++/56763] "attribute ignored in declaration of " warning points to wrong place

[Bug c++/56951] Poor diagnostics for error: invalid abstract return type 'XXX'

[Bug c++/57039] -Wsequence-point missing warning for such case

[Bug c++/57078] Unhelpful -Wunused-variable warning

[Bug c++/57170] Diagnostic for a negative case when switching over unsigned comes from -Wsign-conversion instead of -Wpedantic or -Wnarrowing

[Bug c++/57170] No diagnostic for a negative case when switching over unsigned

[Bug c++/58798] class with a class reference member generates unjustified warning

[Bug c++/58950] Missing "statement has no effect"

[Bug c++/59324] C++11: -Wsequence-point

[Bug c++/59499] Probably optimization error

[Bug c++/59840] -Wconversion produces incorrect warning when value is shifted by 0

[Bug c++/59922] -finstrument-functions emit false warning "control reaches end of non-void function"

[Bug c++/59949] lambda expression as default argument of function template causes "already defined" messages in assembler

[Bug c++/60095] Dubious diagnostics for attempted surrogate call function

[Bug c++/60135] add option to warn if ctor/conversion declared implicit

[Bug c++/60212] no warning for unused variables

[Bug c++/60342] -Wsign-conversion ignores explicit conversion

[Bug c++/60917] sub-optimal diagnostic when instantiating template

[Bug c++/60972] Mixing #pragma pack and __attribute__((packed)) leads to spurious warnings.

[Bug c++/61639] GCC 4.7.4 can't longer compile clang

[Bug c++/61961] New warning when initializer-list constructor chosen for uniform init that doesn't intend to use initializer_list

[Bug c++/62126] -Wshadow for typedef and template parm

[Bug c++/63374] unhelpful diagnostics for missing initializer

[Bug c++/63386] Release version of CB wont compile Bullet (-o2)

[Bug c++/63458] myclassobj >> charac compiles without warning, EVEN though ONLY operator>>(std::string&) exists

[Bug c++/63519] missing Wparenthesis warning for x binary_op bool ?:

[Bug c++/64095] [C++14] Ellipsis at end of generic lambda parameter-declaration-clause should be parsed as a parameter pack

[Bug c++/64875] -Winline does not report C++ methods

[Bug c++/65324] -Wzero-as-null-pointer-constant: incorrect location for function templates

[Bug c++/65870] Explicit function instantiation with default valued lambda causes duplicate symbol

[Bug c++/66097] Program fails to run with -O1 but runs with individual settings.

[Bug c++/66159] bogus warning for alias-declaration using elaborated-type-specifier

[Bug c++/66170] Bogus warning with -Wsign-conversion when using static_cast<size_t> on an int

[Bug c++/66256] noexcept evaluation done before end of class

[Bug c++/66639] declare __func__ , __FUNCTION__ & __PRETTY_FUNCTION__ as constexpr

[Bug c++/66672] std::is_same wrong result for captured reference value inside a lambda

[Bug c++/66924] Bad diagnostic for parameter name used as non-type template argument

[Bug c++/66943] GCC warns of Unknown Pragma for OpenMP, even though it support it.

[Bug c++/66968] Incorrect template argument shown in diagnostic

[Bug c++/67054] Constructor inheritance with non-default constructible members

[Bug c++/67075] Infinite GC loop with ggc-min-expand=0

[Bug c++/67209] G++ generates incorrect code for boost::filesystem

[Bug c++/67371] Never executed "throw" in constexpr function fails to compile

[Bug c++/67650] undef reference with -fdevirtualize

[Bug c++/67858] g++-5.1.1 warns about unused variable only when optimization flag is used

[Bug c++/67906] Missing warning about std::move without effect

[Bug c++/67928] Ambiguous call not diagnosed

[Bug c++/67960] Prefixing a function with [[deprecated]] produces multiple warnings

[Bug c++/68160] Can bind packed field if it's packed with #pragma pack(push, 1)

[Bug c++/68301] self-dependent reference member initialization not diagnosed

[Bug c++/68391] -Wsuggest-override does not work on Item 12 of Effective Modern C++

[Bug c++/68571] provide __builtin_cookie_size

[Bug c++/68827] [concepts] ICE in fold where requires parameter shadows function argument

[Bug c++/69020] wrong ADL for attribute cleanup functions

[Bug c++/69103] Misleading diagnostic for invalid constexpr initialization

[Bug c++/69433] missing -Wreturn-local-addr assigning address of a local to a static

[Bug c++/69571] [C++11] invalid alignas on a typedef accepted, reduces alignment

[Bug c++/69572] [C++11] invalid alignas accepted in many contexts

[Bug c++/69585] [C++ 11] parser errors mixing alignas, C++ 11 and GNU attributes on class declaration

[Bug c++/69638] array out of bounds access accepted in constexpr function invocation

[Bug c++/69696] incorrect initialization of block-scope flexible array members

[Bug c++/69733] -Wignored-qualifiers points to wrong const

[Bug c++/69855] Missing diagnostic for overload that only differs by return type

[Bug c++/69864] Fix various Wnarrowing minor issues

[Bug c++/69953] [5/6 Regression] Using lto causes gtkmm/gparted and gtkmm/inkscape compile to fail

[Bug c++/70075] incorrect initialization of multidimensional VLAs

[Bug c++/70125] attributes diagnostics missing essential context

[Bug c++/70180] missing -Wpointer-arith on NULL arithmetic cast to a an object type

[Bug c++/70196] inconsistent constness of inequality of weak symbol addresses

[Bug c++/70277] Improve code generation for large initializer lists

[Bug c++/70328] default generated destructors cause 'inlining failed' warnings.

[Bug c++/70380] SFINAE error with constexpr expressions referencing a non-const variable

[Bug c++/70410] no uninitialized variable warning if 'offsetof' is used in expression

[Bug c++/70621] [6/7/8 Regression] ICE on invalid code at -O1 and above on x86_64-linux-gnu in record_reference, at cgraphbuild.c:64

[Bug c++/70644] Warn about implicit conversion of 'this' to pointer to virtual base class during construction

[Bug c++/70792] Incorrect sequence point warning with uniform initializer syntax

[Bug c++/70808] Spurious -Wzero-as-null-pointer-constant for nullptr_t

[Bug c++/71003] __extension__ silences pedwarn for "\e" in C but not in C++

[Bug c++/71007] Divergence between treatment of char[0] between OR (=> SFINAE failure) and diagnostic printing (no failure)

[Bug c++/71138] [concepts] ill-formed non-constant expression use in nested requirement produces duplicated diagnostics with poor source locations

[Bug c++/71169] [7/8 Regression] ICE on invalid C++ code in pop_nested_class (cp/class.c:7785)

[Bug c++/71192] Coredump - SIGSEGV exception handling on GCC 4.8.2 in Solaris 11.3, Solaris 11.2 works with same GCC version

[Bug c++/71440] ICE on invalid C++ code in instantiate_type, at cp/class.c:8247

[Bug c++/71440] ICE on invalid C++ code on x86_64-linux-gnu: in instantiate_type, at cp/class.c:8247

[Bug c++/71450] [5/6 Regression] ICE on invalid C++11 code on x86_64-linux-gnu: in tree check: expected record_type or union_type or qual_union_type, have template_type_parm in lookup_base, at cp/search.c:203

[Bug c++/71517] g++ gives different warnings if compiling a file directly or adding preprocess step

[Bug c++/71527] wrong type mismatch while template argument deduction/substitution

[Bug c++/71570] [6 regression] ICE on invalid variable capture in cxx_incomplete_type_diagnostic, at cp/typeck2.c:55

[Bug c++/71797] Spurious unused-variable warning with inline function and unrelated error

[Bug c++/71832] [7/8 Regression] ICE on invalid C++11 code with incorrect decltype use for non-type template parameter: Segmentation fault

[Bug c++/71974] Warning: uninitialized variable with OpenMP nested loops

[Bug c++/72751] anonymous union within an anonymous union accepted

[Bug c++/72754] pointer to an unnamed struct with a sole flexible array member accepted

[Bug c++/72789] add -Wunused-private-field

[Bug c++/77370] missing -Wignored-qualiifiers on a bogus const reference

[Bug c++/77502] -Wzero-as-null-pointer-constant : misleading/imprecise messages

[Bug c++/77540] Confusing diagnostics due to stray comma in ctor-init-list

[Bug c++/77572] wrong value for extended ASCII characters in diagnostics

[Bug c++/77777] Use rich location to mark correct expression for "invalid use of non-static member function"

[Bug c++/77796] tautological compare warning emitted for inherited static method comparisons

[Bug c++/77984] Invalid warning on templated operator= with -Weffc++

[Bug c++/78119] wrong diagnostic pointer for -Werror=ignored-qualifiers

[Bug c++/78157] Incorrect diagnostic for variable template declaration

[Bug c++/78163] ref-qualified function type incorrectly accepted in function parameter type

[Bug c++/78330] incorrectly accepts invalid C++ code with shadowed template parameter

[Bug c++/78388] Bogus "declaration shadows template parameter" error with parenthesized function-style casts

[Bug c++/78632] Produce warning when a derived class shadows a field of the base class with `-Wshadow`

[Bug c++/78679] Produce a warning on `int + string literal`

[Bug c++/78840] [5 Regression] ICE with const variables in templates implicitly captured by nested lambda expressions

[Bug c++/78919] Lambdas, default parameters and std::function cause assembly error

[Bug c++/79001] spurious "defined but not used" warning with explicit instantiation

[Bug c++/79008] missing detail in -Wbuiltin-declaration-mismatch

[Bug c++/79013] Inconsistent auto diagnostic in member declarations

[Bug c++/79078] Warnings from deprecated attribute are too noisy

[Bug c++/79104] [DR 696] wrong semantics for odr-use of constant variable from lambda

[Bug c++/79398] misleading error static constexpr member function called in a constant expression before its definition is complete

[Bug c++/79488] [7/8 Regression] ICE from lambda that has invalid return type

[Bug c++/79585] spurious -Wunused-variable on a pointer with attribute unused in function template

[Bug c++/79590] ICE (internal compiler error) in nothrow_spec_p with generic lambda and `noexcept(noexcept(...))` expression

[Bug c++/79592] incomplete diagnostic "is not usable as a constexpr function because:"

[Bug c++/79605] attribute [[noreturn]] accepted in explicit instantiation directives

[Bug c++/79648] error on x in constant expression when __builtin_constant_p(x) == true

[Bug c++/79658] [-Wuninitialized] referencing uninitialized field of POD struct should warn

[Bug c++/79695] spurious -Wunused-variable on a static global of a type declared unused

[Bug c++/79707] missing -Wunused-result on an unused new expression

[Bug c++/79790] [C++17] ICE class template argument deduction failed

[Bug c++/79832] [C++14/17] result of subscripting non lvalue array should be xvalue

[Bug c++/79996] spurious -Wreturn-type on a function that calls a noreturn function

[Bug c++/80140] missing -Wignored-attributes on function arguments

[Bug c++/80144] Concept introduced with "template<OtherConcept T>" is not diagnosed

[Bug c++/80151] Add a warning to catch implicit string to bool conversion (-Wstring-conversion)

[Bug c++/80157] Spurious "Wsign-conversion" warning with const, size_t, array.

[Bug c++/80227] [5/6/7/8 Regression] SFINAE ambiguity with a pointer to array argument

[Bug c++/80228] inconsistent handling of ctor initialization of flexible array members

[Bug c++/80287] C++ crash with __attribute((may_alias))

[Bug c++/80351] Inconsistent warning for constexpr auto constant when using initializer list (-Wunused-variable)

[Bug c++/80449] [7/8 Regression] ICE reporting failed partial class template specialization class template argument deduction

[Bug c++/80451] [6/7 Regression] return implicit type conversion to std::experimental::optional does not compile

[Bug c++/80451] [6/7/8 Regression] return implicit type conversion to std::experimental::optional does not compile

[Bug c++/80452] [DR 1579] incorrect value category deduced for return value

[Bug c++/80472] cannot use push/pop with #pragma GCC diagnostic warning "-Wsystem-headers"

[Bug c++/80496] missing diagnostic regarding noreturn mismatch in function pointer initialization

[Bug c++/80518] -Wsuggest-override does not warn about missing override on destructor

[Bug c++/80559] [7/8 Regression] Segmentation fault on invalid initialiser list template arguments

[Bug c++/80567] bogus fixit hint for undeclared memset: else

[Bug c++/80598] -Wunused triggers for functions used in uninstantiated templates

[Bug c++/80605] [7/8 Regression] Bad is_standard_layout result with empty base classes

[Bug c++/80642] lambdas made constexpr in cases where they don't satisfy the requirements for it

[Bug c++/80650] #pragma do not control -Wcpp

[Bug c++/80681] missing -Wuninitialized for const or reference member of a private base class

[Bug c++/80684] poor error message and fix-it hint for a function with an argument of undeclared type

[Bug c++/80733] -fstrict-enum ineffective, incorrect -Wtype-limits warning

[Bug c++/80744] Detect Divide By Zero and give a warning in C/C++

[Bug c++/80763] [7/8 Regression] -O3 causes error: inline clone in same comdat group list

[Bug c++/80767] Eager instantiation of generic lambda body when not required

[Bug c++/80772] GCC ignores default template argument declaration in the template definition

[Bug c++/80935] [C++1z] incorrect error 'uninitialized variable in constexpr function' when conditionally declaring variable inside lambda inside template class

[Bug c++/80956] [7/8 Regression] ICE with abstract class vector

[Bug c++/81013] [7/8 Regression] ICE with invalid union in class hierarchy

[Bug c++/81016] [7/8 Regression] ICE: segfault with template struct specialisation

[Bug c++/81042] Too many constexpr interations on unreachable loop.

[Bug c++/81051] virtual base access during construction crashes

[Bug c++/81054] [7/8 Regression] ICE with volatile variable in constexpr function

[Bug c++/81061] [7/8 Regression] ICE modifying read-only variable

[Bug c++/81159] New warning idea: -Wself-move

[Bug c++/81178] [concepts] poor (partial?) diagnostic for alias substitution failure in a concept body

[Bug c++/81197] [7/8 Regression] ICE with structured binding and lifetime-extended temporaries

[Bug c++/81236] Crash when calling a template member function from generic lambda

[Bug c++/81282] templated Lambda ,auto

[Bug c++/81327] cast to void* does not suppress -Wclass-memaccess

[Bug c++/81337] g++.dg/gcov/pr16855.C etc. FAIL

[Bug c++/81355] SegFault when using attribute target dispatch with empty parameter

[Bug c++/81398] Complaining about 'partial specialization of '...' after instantiation' in c++1z

[Bug c++/81431] add warning for missing initializers in constructor

[Bug c++/81486] Class template argument deduction fails with (), succeeds with {}

[Bug c++/81514] g++.dg/lookup/missing-std-include-2.C FAILs on Solaris

[Bug c++/81525] [7 Regression] Invalid codegen with constexpr variable template

[Bug c++/81525] [7/8 Regression] Invalid codegen with constexpr variable template

[Bug c++/81533] g++ pops up a constructor for objects that could be initialized at load-time

[Bug c++/81575] [7/8 Regression] ICE on C++ code: in cp_build_addr_expr_1, at cp/typeck.c:5793

[Bug c++/81586] valgrind error in output_buffer_append_r with -Wall

[Bug c++/81605] -Wignored-attributes emitted when decltype(function) used in template for function with __nonnull__

[Bug c++/81607] [6 Regression] Conditional operator: "type mismatch in shift expression" error

[Bug c++/81607] [6/7 Regression] Conditional operator: "type mismatch in shift expression" error

[Bug c++/81607] [6/7/8 Regression] Conditional operator: "type mismatch in shift expression" error

[Bug c++/81607] Conditional operator: "type mismatch in shift expression" error

[Bug c++/81608] incompatible declarations of the same extern function at different scopes accepted

[Bug c++/81609] incompatible extern C declarations of the same extern function at local scope accepted

[Bug c++/81632] spurious -Wterminate warning about throw in destructor

[Bug c++/81634] Some types are incorrectly detected as not standard layout

[Bug c++/81640] [8 Regression] ICE in lookup_fnfields_slot_nolazy w/ -Wshadow=compatible-local

[Bug c++/81640] New: [8 Regression] ICE in lookup_fnfields_slot_nolazy w/ -Wshadow=compatible-local

[Bug c++/81642] -Wtype-limits should not trigger for defined numbers

[Bug c++/81642] New: -Wtype-limits should not trigger for defined numbers

[Bug c++/81659] New: ICE in verify_dominators, at dominance.c:1184

[Bug c++/81660] Add -Wexceptions warning

[Bug c++/81660] Learn GCC -Wexceptions

[Bug c++/81660] New: Learn GCC -Wexceptions

[Bug c++/81668] LTO ODR warnings are not helpful

[Bug c++/81668] New: LTO ODR warnings are not helpful

[Bug c++/81671] [7 Regression] std::nullptr_t incompatible to std::nullptr_t

[Bug c++/81671] [7/8 Regression] std::nullptr_t incompatible to std::nullptr_t

[Bug c++/81671] New: std::nullptr_t incompatible to std::nullptr_t

[Bug c++/81674] gcc cannot detect missing initialisers for fields in constructors

[Bug c++/81674] New: gcc cannot detect missing initialisers for fields in constructors

[Bug c++/81675] [6/7/8 Regression] attribute(noreturn) of destructor in :? not honored

[Bug c++/81675] New: attribute(noreturn) of destructor in :? not honored

[Bug c++/81676] New: Wrong warning with unused-but-set-parameter within 'if constexpr'

[Bug c++/81676] Wrong warning with unused-but-set-parameter within 'if constexpr'

[Bug c++/81678] New: Variadic template parameters containing pointer to member function fail to be parsed unless name of the parameter is specified

[Bug c++/81692] Bogus noreturn warning

[Bug c++/81692] New: Bogus noreturn warning

[Bug c++/81700] New: Unresolved function type when taking address of operator() of generic lambda

[Bug c++/81702] [7/8 Regression] ICE in gimple_get_virt_method_for_vtable

[Bug c++/81702] New: ICE in gimple_get_virt_method_for_vtable

[Bug c++/81706] New: std::sin vectorization bug

[Bug c++/81714] New: incorrect location for uninitialised variable

[Bug c++/81716] Bogus -Wlto warning with forward-declared pointers

[Bug c++/81716] New: Bogus -Wlto warning with forward-declared pointers

[Bug c++/81717] [c++ concepts] - simple "define function if not defined" code doesn't compile, no errors generated

[Bug c++/81717] New: [c++ concepts] - simple "define function if not defined" code doesn't compile, no errors generated

[Bug c++/81718] g++ segfault in tsubst_copy_and_build when creating type alias

[Bug c++/81718] New: g++ segfault when creating type alias

[Bug c++/81719] New: Range-based for loop on short fixed size array generates long unrolled loop

[Bug c++/81721] New: precompiled header : internal compiler error: Segmentation fault

[Bug c++/81721] precompiled header : internal compiler error: Segmentation fault

[Bug c++/81722] [7/8 Regression] memory hog building c++ on i686-linux-gnu

[Bug c++/81722] New: [7/8 Regression] memory hog building c++ on i686-linux-gnu

[Bug c++/81742] c++: internal compiler error: Segmentation fault (program cc1plus)

[Bug c++/81742] New: c++: internal compiler error: Segmentation fault (program cc1plus)

[Bug c++/81750] Calling generic lambda with no parameter fails to compile

[Bug c++/81757] function reference on nonnull and noexcept

[Bug c++/81757] New: function reference on nonnull and noexcept

[Bug c++/81760] New: attribute target uses the wrong default function argument

[Bug c++/81761] assembler error on __func__ et al. on attribute target overloads

[Bug c++/81761] New: assembler error on __func__ et al. on attribute target overloads

[Bug c++/81762] errors defining attribute target overloads of the same function template

[Bug c++/81762] New: errors defining attribute target overloads of the same function template

[Bug c++/81764] New: Visibility for explicitly instantiated template class get warned if it was implicitly instantiated

[Bug c++/81765] Internal compiler error: Segmentation fault with -O2 -fnon-call-exceptions

[Bug c++/81765] New: Internal compiler error: Segmentation fault with -O2 -fnon-call-exceptions

[Bug c++/81767] New: Unused variable warning with structured binding

[Bug c++/81767] Unused variable warning with structured binding

[Bug c++/81781] consexpr pointer comparsion error

[Bug c++/81781] New: consexpr pointer comparsion error

[Bug c++/81787] [5/6/7/8 Regression] `#pragma GCC diagnostic warning "-fpermissive"` no longer works since gcc 4.8

[Bug c++/81787] `#pragma GCC diagnostic warning "-fpermissive"` no longer works since gcc 4.8

[Bug c++/81787] New: `#pragma GCC diagnostic warning "-fpermissive"` no longer works since gcc 4.8

[Bug c++/81789] New: CWG1687 performed too soon

[Bug c++/81812] [7/8 Regression] Empty virtual function fails to compile

[Bug c++/81812] Empty virtual function fails to compile

[Bug c++/81812] New: Empty virtual function fails to compile

[Bug c++/81818] aarch64 uses 2-3x memory and 2x time of arm at -Os, -O2, -O3 (memory-hog)

[Bug c++/81818] New: aarch64 uses 2-3x memory and 2x time of arm at -Os, -O2, -O3 (memory-hog)

[Bug c++/81830] missing Wunused-local-typedef on a typedef of an unnamed enum or struct

[Bug c++/81830] New: missing Wunused-local-typedef on a typedef of an unnamed enum or struct

[Bug c++/81836] ill-formed qualified name not diagnosed

[Bug c++/81836] New: ill-formed qualified name not diagnosed

[Bug c++/81837] Internal compiler error (cp/typeck2.c:1264)

[Bug c++/81837] New: Internal compiler error (cp/typeck2.c:1264)

[Bug c++/81838] Internal compiler error (cp/typeck2.c:1264)

[Bug c++/81839] Internal compiler error (cp/typeck2.c:1264)

[Bug c++/81842] internal compiler error parsing string.h

[Bug c++/81842] New: internal compiler error parsing string.h

[Bug c++/81843] [8 Regression] ICE on valid C++11 code with variadic templates: in tsubst_pack_expansion, at cp/pt.c:11524

[Bug c++/81846] New: [arm] constexpr ICE: in cxx_eval_constant_expression, at cp/constexpr.c:4556

[Bug c++/81847] New: ICE: in finish_expr_stmt, at cp/semantics.c:678

[Bug c++/81850] New: OpenMP target enter data compilation issues

[Bug c++/81852] Feature request: __cpp_threadsafe_static_init

[Bug c++/81852] New: Feature request: __cpp_threadsafe_static_init

[Bug c++/81853] New: [C++14] "using namespace" is not a constant expression in function-like macro

[Bug c++/81855] [mingw-w64] dllexport-ed explicit template instantiation has no symbol in DLL in certain condition

[Bug c++/81855] [mingw-w64] dllexport-ed explicit template instantiation has no symbol in DLL when the compile unit has non-template symbol

[Bug c++/81855] New: [mingw-w64] dllexport-ed explicit template instantiation has no symbol in DLL when the compile unit has non-template symbol

[Bug c++/81858] New: Wrong strict-aliasing warning

[Bug c++/81858] Wrong strict-aliasing warning

[Bug c++/81860] [7/8 Regression] Call to undefined inline function involving inheriting constructors

[Bug c++/81860] New: Call to undefined inline function involving inheriting constructors

[Bug c++/81862] New: [C++11][constexpr] Constructor Parenthesized Initialization of Member Array Crash

[Bug c++/81866] New: ICE with a default template parameter which is a template class nested in a template class

[Bug c++/81867] Internal completer error: Segmentation Fault

[Bug c++/81867] New: Internal completer error: Segmentation Fault

[Bug c++/81868] Internal completer error: Segmentation Fault

[Bug c++/81868] New: Internal completer error: Segmentation Fault

[Bug c++/81873] New: spurious -Wreturn-type calling a locally declared noreturn function

[Bug c++/81873] spurious -Wreturn-type calling a locally declared noreturn function

[Bug c++/81879] New: Bad compilation of small program if LTO is used

[Bug c++/81880] New: thread_local static member template initialisation fails

[Bug c++/81880] thread_local static member template initialisation fails

[Bug c++/81884] New: Invalid code generation with zero size arrays or flexible array members

[Bug c++/81888] [7/8 Regression] Structured bindings stopped working

[Bug c++/81888] New: Structured bindings stopped working

[Bug c++/81895] gcc rejects out-of-line definition of enum member of class template under -pedantic-errors

[Bug c++/81895] New: gcc rejects out-of-line definition of enum member of class template under -pedantic-errors

[Bug c++/81896] New: omp target enter data not recognized

[Bug c++/81899] [8 Regression] ICE: Segmentation fault

[Bug c++/81899] New: [8 Regression] ICE: Segmentation fault

[Bug c++/81901] false-positive -Warray-bounds

[Bug c++/81901] New: false-positive -Warray-bounds

[Bug c++/81906] [7/8 Regression] Calls to rint() wrongly optimized away starting in g++ 6

[Bug c++/81906] Calls to rint() wrongly optimized away starting in g++ 6

[Bug c++/81906] New: Calls to rint() wrongly optimized away starting in g++ 6

[Bug c++/81911] Constant expression from permitted result of a constant expression is not constexpr

[Bug c++/81911] New: Constant expression from permitted result of a constant expression is not constexpr

[Bug c++/81915] bug with thread_local inline variables

[Bug c++/81915] New: bug with thread_local inline variables

[Bug c++/81917] internal compiler error: in finish_member_declaration, at cp/semantics.c:3004

[Bug c++/81917] New: internal compiler error: in finish_member_declaration, at cp/semantics.c:3004

[Bug c++/81918] New: muddles Concept confuses compiler (segfault)

[Bug c++/81922] New: ICE in output_constructor_regular_field, at varasm.c:5030

[Bug c++/81928] if(!this) optimization leads to possible errors without warnings

[Bug c++/81928] New: if(!this) optimization leads to possible errors without warnings

[Bug c++/81929] New: exponential slowdown in undefined behavior sanitizer for streaming

[Bug c++/81930] New: [meta-bug] Issues with -Weffc++

[Bug c++/81932] New: Template arguments of type unsigned generate incorrect debugging information

[Bug c++/81932] Template arguments of type unsigned generate incorrect debugging information

[Bug c++/81933] [7/8 Regression] Invalid "constexpr call flows off the end of the function" error

[Bug c++/81933] New: [7 Regression] Invalid "constexpr call flows off the end of the function" error

[Bug c++/81942] ICE on empty constexpr constructor with C++14

[Bug c++/81942] New: ICE on empty constexpr constructor with C++14

[Bug c++/81943] New: Wrong ABI in class methods returning structs for the Windows amd64 target

[Bug c++/81944] constexpr std::distance

[Bug c++/81944] New: constexpr std::distance

[Bug c++/81947] New: variadic template specialization doesn't compile

[Bug c++/81947] variadic template specialization doesn't compile

[Bug c++/81952] copy elision used when constructor needs to be called

[Bug c++/81952] New: copy elision used when constructor needs to be called

[Bug c++/81955] New: corrupted double-linked list (not small)

[Bug c++/81957] ICE decltype

[Bug c++/81957] New: ICE decltype

[Bug c++/81964] New: istream_iterator: unexpected read in ctor

[Bug c++/81971] New: internal compiler error: in check_noexcept_r, at cp/except.c:1028

[Bug c++/81972] New: Improve data tracking for simple conditional code

[Bug c++/81973] Aliased virtual methods are treated as undefined, so the vtable is not generated

[Bug c++/81973] New: Aliased virtual methods are treated as undefined, so the vtable is not generated

[Bug c++/81975] New: Unpacking two packs via alias erroneously complains about mismatched argument packs

[Bug c++/81975] Unpacking two packs via alias erroneously complains about mismatched argument packs

[Bug c++/81976] New: bad is_standard_layout/has_unique_object_representations results with a chain of empty bases

[Bug c++/81977] New: Possible issue with inline memcpy with packed structures

[Bug c++/81977] Possible issue with inline memcpy with packed structures

[Bug c++/81992] C++ toupper symbol clash?

[Bug c++/81992] New: C++ toupper symbol clash?

[Bug c++/81997] New: segfault while instantiating constrained function template

[Bug c++/81997] segfault while instantiating constrained function template

[Bug c++/81998] [c++14] lambda: name from init-capture not visible in lambda-declarator

[Bug c++/81998] New: [c++14] lambda: name from init-capture not visible in lambda-declarator

[Bug c++/81999] New: templated lambda in template context: cannot call operator() explicitly with template parameters (expected primary-expression before ...)

[Bug c++/81999] templated lambda in template context: cannot call operator() explicitly with template parameters (expected primary-expression before ...)

[Bug c++/82000] Missed optimization of char_traits::length() on constant string

[Bug c++/82000] New: Missed optimization of char_traits::length() on constant string

[Bug c++/82003] [5 Regression] Segmentation fault building kmymoney git sources.

[Bug c++/82003] New: Segmentation fault building kmymoney git sources.

[Bug c++/82003] Segmentation fault building kmymoney git sources.

[Bug c++/82008] New: nonnull attribute and multiple inheritance

[Bug c++/82008] nonnull attribute and multiple inheritance

[Bug c++/82019] New: [concepts] ICE if concept is not satisfied

[Bug c++/82021] New: Unnecessary null pointer check in global placement new (and also in any class-specific placement new operator declared as noexcept)

[Bug c++/82021] Unnecessary null pointer check in global placement new (and also in any class-specific placement new operator declared as noexcept)

[Bug c++/82023] New: [arm] constexpr ICE: in cxx_eval_constant_expression, at cp/constexpr.c:4556

[Bug c++/82025] [6/7 Regression] ICE: in finish_expr_stmt, at cp/semantics.c:678

[Bug c++/82025] New: ICE: in finish_expr_stmt, at cp/semantics.c:678

[Bug c++/82030] [8 Regression] ICE: Segmentation fault

[Bug c++/82030] New: [8 Regression] ICE: Segmentation fault

[Bug c++/82035] GCC picks wrong template method instantiation if there are same name classes in independent compilation units

[Bug c++/82035] New: GCC picks wrong template method instantiation if there are same name classes in independent compilation units

[Bug c++/82039] -Wzero-as-null-pointer-constant triggers when calling std::allocate<...>::allocate

[Bug c++/82040] [7/8 Regression] ICE with -Wbool-operation and ~

[Bug c++/82040] ICE with -Wbool-operation and ~

[Bug c++/82040] New: ICE with -Wbool-operation and ~

[Bug c++/82047] New: non-existent variable template used to initialize variable

[Bug c++/82047] non-existent variable template used to initialize variable

[Bug c++/82053] [8 Regression] ICE on invalid code

[Bug c++/82053] New: [8 Regression] ICE on invalid code

[Bug c++/82054] [8 Regression] ICE in add_dwarf_attr with -fopenmp and -g

[Bug c++/82054] ice in add_dwarf_attr with -fopenmp and -g

[Bug c++/82054] New: ice in add_dwarf_attr with -fopenmp

[Bug c++/82067] New: G++ has an internal compiler error in possible_polymorphic_call_targets, at ipa-devirt.c:1557

[Bug c/32643] [5/6/7/8 Regression] Wrong error message with unsigned char a = uchar&512

[Bug c/51834] -Wsequence-point fails when convoluted expressions with multiple side effects are used

[Bug c/53037] warn_if_not_aligned(X)

[Bug c/57201] Using --save-temps affects whether warning is printed

[Bug c/57821] 'array is too large' error is missing when sizetype overflows

[Bug c/61240] [5/6/7/8 Regression] Incorrect warning "integer overflow in expression" on pointer-pointer subtraction

[Bug c/63393] [regression]-ffreestanding not work: memset call cause valgrind crash

[Bug c/64609] No -Wbool-compare warning on "(a = 0 && 0) <= 4"

[Bug c/66425] (void) cast doesn't suppress __attribute__((warn_unused_result))

[Bug c/69389] bit field incompatible with OpenMP atomic update

[Bug c/69602] [6/7/8 Regression] over-ambitious logical-op warning on EAGAIN vs EWOULDBLOCK

[Bug c/69981] -f[no]keep-static-consts has no effect

[Bug c/77331] incorrect range location in -Wformat with a concatenated format literal

[Bug c/78666] conflicting attribute alloc_size accepted

[Bug c/78736] enum warnings in GCC

[Bug c/79204] improve -Woverflow by mentioning types and values

[Bug c/79855] params.def: missing period in PARAM_MAX_STORES_TO_MERGE

[Bug c/79959] -Wimplicit-fallthrough doesn't recognize some more complex exit cases

[Bug c/80383] wrong caret location and missing detail in warning: initializer element is not a constant expression on a signed overflow

[Bug c/80398] missing -Wattributes on a misplaced attribute packed in an enum definition

[Bug c/80400] missing -Wattributes on a invalid attribute packed on a typedef

[Bug c/80409] Document that va_arg(ap, void*) can be used to consume any pointer argument

[Bug c/80454] -Wmissing-braces wrongly warns about universal zero initializer {0}

[Bug c/80502] Provide macro to indicate OpenMP SIMD support

[Bug c/80528] reimplement gnulib's "useless-if-before-free" script as a compiler warning

[Bug c/80529] Split "C++ style comments are not allowed in ISO C90" pedwarn into its own warning flag

[Bug c/80619] bad fix-it hint for GCC %lu directive with int argument: %wu

[Bug c/80745] inconsistent warning: large integer implicitly truncated to unsigned type

[Bug c/80778] [7/8 Regression] gcc.dg/auto-type-1.c ICEs with -flto

[Bug c/80806] gcc does not warn if local array is memset only

[Bug c/80872] There is no warning on accidental infinite loops

[Bug c/81117] Improve buffer overflow checking in strncpy

[Bug c/81141] missing warning using sizeof a/sizeof *a with a zero-length array

[Bug c/81233] --Wdiscarded-qualifiers and Wincompatible-pointer-types missing important detail

[Bug c/81289] [8 Regression] ICE in libcpp/line-map.c

[Bug c/81306] valgrind error for function warn_for_multistatement_macros in file c-warn.c line 2474

[Bug c/81389] _mm_cmpestri segfault on -O0

[Bug c/81391] [5/6/7 only] Use of parenthesis disables warning about incorrect size parameter

[Bug c/81417] -Wsign-compare should print types being compared

[Bug c/81448] False positive -Werror=multistatement-macros in openssl

[Bug c/81544] attribute noreturn and warn_unused_result on the same function accepted

[Bug c/81566] [4.9/5/6/7/8 Regression] invalid attribute aligned accepted on functions

[Bug c/81566] [5/6/7/8 Regression] invalid attribute aligned accepted on functions

[Bug c/81566] invalid attribute aligned accepted on functions

[Bug c/81650] New: gcc -m32 mishandles -Walloc-size-larger-than=9223372036854775807

[Bug c/81656] incompatible _Alignas silently accepted

[Bug c/81656] New: incompatible _Alignas silently accepted

[Bug c/81664] New: __attribute__((target("movbe"))) does not work

[Bug c/81665] New: Please introduce flags attribute for enums which will mimic one from C#

[Bug c/81665] Please introduce flags attribute for enums which will mimic one from C#

[Bug c/81667] New: trunk/gcc/alloc-pool.h:239: possible missing initialiser ?

[Bug c/81669] New: trunk/gcc/fibonacci_heap.h:58: possible missing initialisation ?

[Bug c/81677] Can't declare pointer to array of incomplete type in struct

[Bug c/81677] New: Can't declare pointer to array of incomplete type in struct

[Bug c/81687] Compiler drops label in OpenMP region

[Bug c/81687] New: Compiler drops label in OpenMP region

[Bug c/81709] New: __attribute__((interrupt)) should handle SSE registers

[Bug c/81740] [5/6/7/8 Regression] wrong code at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

[Bug c/81740] New: wrong code at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

[Bug c/81741] New: Misoptimisation : replacing a constant field read access by a function call

[Bug c/81756] New: type attributes silently ignored on type declarations

[Bug c/81756] type attributes silently ignored on type declarations

[Bug c/81759] New: Improve data tracking for _pext_u64 and __builtin_ffsll

[Bug c/81763] New: Issues with 32bit x86 apps on GCC 7.1+

[Bug c/81772] New: Compile-time snprintf optimization

[Bug c/81774] New: Volatile - order of reads in generated code

[Bug c/81774] Volatile - order of reads in generated code

[Bug c/81777] Compiler doesn't detect wrong function declaration

[Bug c/81777] New: Compiler doesn't detect wrong function declaration

[Bug c/81779] bool define from stdbool.h suppresses -Wdeclaration-after-statement

[Bug c/81779] New: bool define from stdbool.h suppresses -Wdeclaration-after-statement

[Bug c/81783] -Wtautological-compare could do better

[Bug c/81783] New: -Wtautological-compare could do better

[Bug c/81785] New: Segmentation fault for signed overflow in index expression when -fwrapv is enabled

[Bug c/81785] Segmentation fault for signed overflow in index expression when -fwrapv is enabled

[Bug c/81795] New: Stray "originally defined here" when using -Wc++-compat with #pragma GCC diagnostic push/pop

[Bug c/81795] Stray "originally defined here" when using -Wc++-compat with #pragma GCC diagnostic push/pop

[Bug c/81798] New: Please introduce new attribute to tell that function zeroes returned memory

[Bug c/81799] New: ICE on valid code at -O3: verify_gimple failed

[Bug c/81801] New: [PATCH] Difference of two pointers generates signed overflow

[Bug c/81813] New: Inefficient stack pointer adjustment

[Bug c/81824] New: Warn for missing attributes with function aliases

[Bug c/81824] Warn for missing attributes with function aliases

[Bug c/81828] New: Cilkplus performance regression on ARM...

[Bug c/81840] Incorrect warning issued in arm-to-x86_64 cross compilation

[Bug c/81840] New: Incorrect warning issued in arm-to-x86_64 cross compilation

[Bug c/81841] New: i386: weird gcc -C error when including math.h

[Bug c/81844] New: omp for loop optimized away

[Bug c/81844] omp for loop optimized away

[Bug c/81845] const union's field doesn't interpret as const in switch/case

[Bug c/81851] missing -Wduplicated-branches on if and return statements with no else

[Bug c/81851] New: missing -Wduplicated-branches on if and return statements with no else

[Bug c/81854] New: weak alias of an incompatible symbol accepted

[Bug c/81854] weak alias of an incompatible symbol accepted

[Bug c/81859] [8 Regression] valgrind error from warn_about_normalization

[Bug c/81859] New: valgrind error from warn_about_normalization

[Bug c/81871] bogus attribute alloc_align accepted

[Bug c/81871] New: bogus attribute alloc_align accepted

[Bug c/81874] New: [6.3/6.4][mips]internal compiler error: in do_SUBST, at combine.c:725

[Bug c/81875] New: omp for loop optimized away

[Bug c/81875] omp for loop optimized away

[Bug c/81876] New: [7 Regression] bogus -Wstrict-overflow warning with -O3

[Bug c/81882] attribute ifunc documentation uses invalid code

[Bug c/81882] New: attribute ifunc documentation uses invalid code

[Bug c/81887] New: pragma omp ordered simd ignored under -fopenmp-simd

[Bug c/81887] pragma omp ordered simd ignored under -fopenmp-simd

[Bug c/81914] New: gcc 7.1 generates branch for code which was branchless in earlier gcc version

[Bug c/81954] New: gcc8 too aggressively reorders memory access beyond condition

[Bug c/81980] New: Spurious -Wmissing-format-attribute warning in 32-bit mode

[Bug c/81980] Spurious -Wmissing-format-attribute warning in 32-bit mode

[Bug c/81994] New: [C++11]Internal error: same_comdat_group list across different groups

[Bug c/81996] __builtin_return_address(0) does not work on powerpc in -fPIC mode and causes SIGSEGVs

[Bug c/81996] New: __builtin_return_address(0) does not work on powerpc in -fPIC mode and causes SIGSEGVs

[Bug c/82013] better error message for missing semicolon in prototype

[Bug c/82013] New: better error message for missing semicolon in prototype

[Bug c/82028] New: Windows x86_64 should not pass float aggregates in xmm

[Bug c/82028] Windows x86_64 should not pass float aggregates in xmm

[Bug c/82050] [8 Regression] ICE on invalid code on x86_64-linux-gnu in column_range, at diagnostic-show-locus.c:1403

[Bug c/82050] New: ICE on invalid code on x86_64-linux-gnu in column_range, at diagnostic-show-locus.c:1403

[Bug c/82051] New: [mips]mips emit different results when compiling union var using -O0/-O2

[Bug c/82052] New: ICE with "-O3 -m32" on x86_64-linux-gnu (internal compiler error: in pop_to_marker, at tree-ssa-scopedtables.c:71)

[Bug c/82063] issues with arguments enabled by -Wall

[Bug classpath/38176] Java: 4 * use of toUpperCase/toLowerCase().equals()

[Bug classpath/38192] SwingCallbackHandler.java: remove unused local variable

[Bug classpath/38193] HashMap.java: unused local variable

[Bug classpath/38195] ClassRmicCompiler.java: remove unused variable

[Bug classpath/38197] JobSheetsSupported.java: unused local variable

[Bug debug/54568] --eh-frame-hdr should also be enabled for static executable

[Bug debug/68229] .debug_pubnames length field is too large

[Bug debug/79953] ICE in expand_debug_locations when attribute target is used

[Bug debug/80938] [7/8 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2330

[Bug debug/81155] [8 Regression] Debug make check regressions in GCC 8.0

[Bug debug/81936] ICE in dwarf2out_die_ref_for_decl, at dwarf2out.c:5543

[Bug debug/81936] New: ICE in dwarf2out_die_ref_for_decl, at dwarf2out.c:5543

[Bug debug/81993] [7 Regression] -gsplit-dwarf removes some symbols, causing some undefined references

[Bug debug/81993] [7/8 Regression] -gsplit-dwarf removes some symbols, causing some undefined references

[Bug debug/81993] New: gcc 7.X -gsplit-dwarf removes some symbols, causing some undefined references

[Bug debug/82010] Inspecting a function parameter of "vec<basic_block, va_gc> *&path" from gdb yields nonsense.

[Bug debug/82010] New: Inspecting a function parameter of "vec<basic_block, va_gc> *&path" from gdb yields nonsense.

[Bug debug/82011] [8 regression] early lto debug causes dsymutil warning on Darwin

[Bug debug/82011] New: [8 regression] early lto debug causes dsymutil warning on Darwin

[Bug demangler/81680] Memory leak in demangle

[Bug demangler/81680] Memory leak in libiberty demangler

[Bug demangler/81680] New: Memory leak in demangle

[Bug demangler/81681] Memory leak in demangler

[Bug demangler/81681] New: Memory leak in demangler

[Bug demangler/81682] New: Timeout in demangler

[Bug demangler/81682] Timeout in demangler

[Bug demangler/81683] Memory leak in demangler

[Bug demangler/81683] New: Memory leak in demangler

[Bug demangler/81684] New: Out of Memory in demangler

[Bug demangler/81684] Out of Memory in demangler

[Bug demangler/81835] cxxabi.h has invalid link in comment.

[Bug demangler/81835] New: cxxabi.h has invalid link in comment.

[Bug demangler/82026] New: Undemanglable symbol

[Bug demangler/82026] Undemanglable symbol

[Bug driver/80044] Specifying both -static and -pie insanity

[Bug driver/81498] Support creating static PIE

[Bug driver/81519] Enhancement: Add --help=target-distcc or similar to dump clean, optimal CFLAGS without using -march=native

[Bug driver/81523] -static -pie behaves differently depending on if --enable-default-pie is used

[Bug driver/81650] gcc -m32 mishandles -Walloc-size-larger-than=9223372036854775807

[Bug driver/81653] gcc configured with --enable-default-pie on SPARC miscompiles hand-written .s files

[Bug driver/81653] New: gcc configured with --enable-default-pie on SPARC miscompiles hand-written .s files

[Bug driver/81658] New: gcc configured with --enable-default-pie on SPARC produces buggy executable from working .o files

[Bug driver/81829] [7 Regression] /usr/bin/gcc-{ar,nm,ranlib} segfault without arguments

[Bug driver/81829] New: [7 Regression] /usr/bin/gcc-{ar,nm,ranlib} segfault without arguments

[Bug driver/81991] gcc-ar segfaults if we run it with the full path

[Bug driver/81991] New: gcc-ar segfaults if we run it with the full path

[Bug fortran/30438] Set but never used variable should raise warning

[Bug fortran/39627] [meta-bug] Fortran 2008 support

[Bug fortran/40196] [F03] [F08] Type parameter inquiry (str%len, a%kind) and Complex parts (z%re, z%im)

[Bug fortran/42568] [Cygwin] BLOCKDATA referenced in EXTERNAL not loading from library

[Bug fortran/44292] [libgfortran ABI breakage] Increase internal size of RECL= of the OPEN statement

[Bug fortran/44350] accepts illegal fortran in BLOCK DATA

[Bug fortran/44882] Bogus types in references with mismatched commons

[Bug fortran/45435] Automatically generate C interop interface blocks from C code

[Bug fortran/47495] .mod files: File modification time - Makefile build issue

[Bug fortran/50360] [cleanup] use an ENUM for the return values of gfc_dep_compare_expr

[Bug fortran/52387] I/O output of write after nonadvancing read

[Bug fortran/52673] implement -fheap-arrays in gfortran

[Bug fortran/53077] replace "Illegal preprocessor directive" message with "Ignoring preprocessor directive at %C. Use -cpp to enable the C preprocessor" (a patch by Tobias included)

[Bug fortran/53542] Diagnostic of USE-associated variables shows original instead of renamed symbol name

[Bug fortran/58618] ICE with character substring and ASSOCIATE

[Bug fortran/60355] [F08] constraint C519 for BIND attribute not enforced

[Bug fortran/61181] -Wunused-but-set-variable for Fortran

[Bug fortran/61450] ICE in gfc_global_used()

[Bug fortran/61968] ICE (assembly failure) due to wrongly generating a vtable for TYPE(*) / BT_ASSUMED_TYPE

[Bug fortran/66089] [6/7/8 Regression] elemental dependency mishandling when derived types are involved

[Bug fortran/67493] -fcheck=recursive not thread aware

[Bug fortran/67679] [5/6/7/8 Regression] -Wunitialized reports on compiler-generated variables

[Bug fortran/68829] [5/6/7/8 Regression] Segfaults with -Ofast due to large array on stack

[Bug fortran/69834] [OOP] Collision in derived type hashes

[Bug fortran/71935] [5/6/7/8 Regression] ICE is_c_interoperable(): gfc_simplify_expr failed

[Bug fortran/78238] [7/8 Regression] [OOP] ICE: verify_gimple failed, with -fdefault-integer-8

[Bug fortran/78387] OpenMP segfault/stack size exceeded writing to internal file

[Bug fortran/78557] [7/8 Regression] [OOP] ICE in trans-expr.c with -fcheck=mem

[Bug fortran/78983] [7/8 Regression] ICE with CAF-DT with allocatable member

[Bug fortran/79072] ICE with class(*) pointer function result and character value

[Bug fortran/79312] Empty array in assignment not correctly type-checked

[Bug fortran/79929] [7/8 Regression] Bogus Warning: '__builtin_memset': specified size 4294967291 exceeds maximum object size 2147483647

[Bug fortran/80120] [7/8 Regression] Incorrect error with associate construct and character array

[Bug fortran/80164] ICE in gfc_format_decoder at gcc/fortran/error.c:933

[Bug fortran/80260] [7/8 Regression] ICE with polymorphic array section actual argument

[Bug fortran/80467] Function Without Arguments Fails to Generate Error When Declared Later

[Bug fortran/80524] [F03] Problematic behaviour with a finalization subroutine in gfortran

[Bug fortran/80657] [7/8 Regression] Loop in character function declaration

[Bug fortran/80774] [7/8 Regression] ICE in gfc_conv_descriptor_data_get, at fortran/trans-array.c

[Bug fortran/80965] [7/8 Regression] ICE with class argument and -O2 optimization

[Bug fortran/81116] Last character of allocatable-length string reset to blank in an assigment

[Bug fortran/81251] check of logical pointers

[Bug fortran/81296] derived type I/o problem

[Bug fortran/81651] Enhancement request: have f951 print out fully qualified module file name

[Bug fortran/81651] New: Enhancement request: have f951 print out fully qualified module file name

[Bug fortran/81701] -fstack-arrays hehavior does not match documentation

[Bug fortran/81701] New: -fstack-arrays hehavior does not match documentation

[Bug fortran/81707] New: Type parameter inquiry errors

[Bug fortran/81707] Type parameter inquiry errors

[Bug fortran/81723] [7/8 Regression] fortran build doesn't terminate on 64bit targets

[Bug fortran/81723] New: [7/8 Regression] fortran build doesn't terminate on 64bit targets

[Bug fortran/81735] double free or corruption (fasttop) error (SIGABRT) with character(:) and custom return type with allocatable

[Bug fortran/81735] New: double free or corruption (fasttop) error (SIGABRT) with character(:) and custom return type with allocatable

[Bug fortran/81748] extensible types non-conforming behaviour

[Bug fortran/81748] New: extensible types non-conforming behaviour

[Bug fortran/81758] [OOP] Broken vtab

[Bug fortran/81758] New: [OOP] Broken vtab

[Bug fortran/81770] [5/6/7 Regression] Bogus warning: Pointer in pointer assignment might outlive the pointer target

[Bug fortran/81770] New: [5/6/7 Regression] Bogus warning: Pointer in pointer assignment might outlive the pointer target

[Bug fortran/81773] [Coarray] Get with vector index on lhs leads to incorrect caf_get_by_ref() call.

[Bug fortran/81773] New: [Coarray] Get with vector index on lhs leads to incorrect caf_get_by_ref() call.

[Bug fortran/81826] Incorrect handling of directives left by preprocessor

[Bug fortran/81826] New: Incorrect handling of directives left by preprocessor

[Bug fortran/81827] Large compile time with derived-type rrays

[Bug fortran/81827] New: Large compile time with derived-type rrays

[Bug fortran/81838] New: [7/8 Regression] doduc.f90 undefined behavior warning

[Bug fortran/81839] [7/8 Regression] doduc.f90 undefined behavior warning

[Bug fortran/81839] doduc.f90 undefined behavior warning

[Bug fortran/81839] New: [7/8 Regression] doduc.f90 undefined behavior warning

[Bug fortran/81841] [5/6/7/8 Regression] THREADPRIVATE (OpenMP) wrongly rejected in BLOCK DATA

[Bug fortran/81841] THREADPRIVATE (OpenMP) wrongly rejected in BLOCK DATA

[Bug fortran/81877] New: [7 Regression] Incorrect results with lto and -fipa-cp and -fipa-cp-clone

[Bug fortran/81898] [7/8 Regression] [OOP] Issue with polymorphic container class

[Bug fortran/81898] [7/8 Regression] Issue with polymorphic container class

[Bug fortran/81898] New: Issue with polymorphic container class

[Bug fortran/81903] [OOP] problem with ASSOCIATE and class pointer (Invalid character in name at)

[Bug fortran/81903] compiler reports a language problem (Invalid character in name at)

[Bug fortran/81903] New: compiler reports a language problem (Invalid character in name at)

[Bug fortran/81962] -Wmaybe-uninitialized refers to wrong line (and only works with -O3)

[Bug fortran/81962] New: -Wmaybe-uninitialized refers to wrong line (and only works with -O3)

[Bug fortran/81974] [8 Regression] ICE verify_gimple failed type mismatch in binary expression

[Bug fortran/81974] New: ICE verify_gimple failed type mismatch in binary expression

[Bug fortran/81978] New: Passing component of a parameter array to a subroutine causes SIGBUS crash

[Bug fortran/82007] DTIO write format stored in a string leads to severe errors

[Bug fortran/82007] New: DTIO write format stored in a string leads to severe errors

[Bug fortran/82009] [F08] ICE with block construct

[Bug fortran/82009] New: ICE with block construct

[Bug fortran/82018] -Wextra should imply -Wconversion-extra

[Bug fortran/82018] [6/7/8 Regression] missing warnings with -Wconversion

[Bug fortran/82018] New: [6/7/8 Regression] missing warnings with -Wconversion

[Bug fortran/82036] New: Recursive allocatable class components cause infinite loop in compilation

[Bug fortran/82036] Recursive allocatable class components cause infinite loop in compilation

[Bug fortran/82049] [5/6/7/8 Regression] ICE with character(*),parameter array constructor

[Bug fortran/82049] New: ICE with character(*),parameter array constructor

[Bug fortran/82055] New: segfault compiling F2003 functionality: 4.9.3, 5.3.0 and 6.3.0

[Bug fortran/82055] segfault compiling F2003 functionality: 4.9.3, 5.3.0 and 6.3.0

[Bug fortran/82056] Automatic array can be sized via allocatable array

[Bug fortran/82056] New: Automatic array can be sized via allocatable array

[Bug fortran/82064] [OOP] multiple incompatible definitions of extended derived type via module use

[Bug fortran/82064] New: [OOP] multiple incompatible definitions of extended derived type via module use

[Bug fortran/82065] New: gfortran rejects redundant use of intrinsic module constant

[Bug gcov-profile/69004] Building t-engine on ARM fails during -fprofile-use stage

[Bug gcov-profile/81442] error: verify_flow_info: REG_BR_PROB is set but cfg probability is not during RTL pass: outof_cfglayout

[Bug gcov-profile/81561] [7 Regression] Segfault in gcov with -a argument

[Bug gcov-profile/81561] [7/8 Regression] Segfault in gcov with -a argument

[Bug gjdoc/38191] gjdoc/Main.java: dead local variable

[Bug go/78980] runtime/internal/atomic FAILs on 32-bit SPARC

[Bug go/81617] mksigtab.sh fails to resolve NSIG with glibc 2.26

[Bug go/81893] [8 regression] compilation error in libgo starting with r251127

[Bug go/81893] New: [8 regression] compilation error in libgo starting with r251127

[Bug go/81926] go/parse.o differs between stage2 and stage3 for gcc 7.2.0

[Bug go/81926] New: go/parse.o differs between stage2 and stage3 for gcc 7.2.0

[Bug go/81970] carchive gotools tests fail

[Bug go/81970] New: carchive gotools tests fail

[Bug go/82043] error: redefinition of ...

[Bug go/82043] New: error: redefinition of ...

[Bug hsa/81713] BIT_FIELD_REF produced by Brig FE do not pass new verification

[Bug hsa/81713] New: BIT_FIELD_REF produced by Brig FE do not pass new verification

[Bug inline-asm/81845] asm memory constraints are difficult and not well documented

[Bug inline-asm/81845] New: asm memory constraints are difficult and not well documented

[Bug inline-asm/81890] asm memory constraints are difficult and not well documented

[Bug inline-asm/81890] New: asm memory constraints are difficult and not well documented

[Bug inline-asm/82001] [5/6/7 regression] wrong code when two functions differ only in inline asm register constraints

[Bug inline-asm/82001] [5/6/7/8 regression] wrong code when two functions differ only in inline asm register constraints

[Bug inline-asm/82001] New: [5/6/7/8 regression] wrong code when two functions differ only in inline asm register constraints

[Bug ipa/77732] FAIL: gcc.dg/ipa/ipcp-cstagg-7.c scan-ipa-dump-times cp "Discovered an indirect call to a known target" 3

[Bug ipa/80728] IPA-reference suppresses compiler memory barrier

[Bug ipa/81133] [8 Regression] PGO/LTO bootstrap: ICE: in inline_small_functions, at ipa-inline.c:1891

[Bug ipa/81213] GCC target_clone support does not work for static functions

[Bug ipa/81261] [8 Regression] ICE with -fno-guess-branch-probability

[Bug ipa/81360] [8 Regression] ice in estimate_edge_growth, at ipa-inline.h:86

[Bug ipa/81465] [8 Regression] ICE in estimate_edge_growth at gcc/ipa-inline.h:85 on s390x target

[Bug ipa/81877] [7/8 Regression] Incorrect results with lto and -fipa-cp and -fipa-cp-clone

[Bug ipa/82027] [5/6/7/8 Regression] wrong code with -O3 -flto

[Bug jit/66054] bootstrap comparison failure with --enable-host-shared

[Bug jit/81672] New: trunk/gcc/jit/jit-recording.c:2852: possible missing initialiser

[Bug jit/81672] trunk/gcc/jit/jit-recording.c:2852: possible missing initialiser

[Bug libfortran/48958] Add runtime diagnostics for SIZE intrinsic function

[Bug libfortran/78314] [aarch64] ieee_support_halting does not report unsupported fpu traps correctly

[Bug libfortran/79540] [7/8 Regression] FAIL: gfortran.dg/fmt_fw_d.f90 -O0 execution test

[Bug libfortran/80850] Sourced allocate() fails to allocate a pointer

[Bug libfortran/81937] New: stack-buffer-overflow on memcpy in libgfortran/io/unix.c on character(kind=4)

[Bug libfortran/81938] New: valgrind error message and heap-buffer-overflow on address sanitized libgfortran.so

[Bug libfortran/81938] valgrind error message and heap-buffer-overflow on address sanitized libgfortran.so

[Bug libfortran/81939] New: valgrind error message in build_float_string and heap-buffer-overflow on address sanitized libgfortran.so

[Bug libfortran/81939] valgrind error message in build_float_string and heap-buffer-overflow on address sanitized libgfortran.so

[Bug libfortran/81983] New: sanitizer detects undefined runtime error in libbacktrace

[Bug libfortran/81984] New: NULL string pointer dereferencing forces undefined behaviour in libgfortran

[Bug libfortran/81984] NULL string pointer dereferencing forces undefined behaviour in libgfortran

[Bug libfortran/81985] New: several sanitizer undefined runtime errors in sanitized libgfortran

[Bug libfortran/81985] several sanitizer undefined runtime errors in sanitized libgfortran

[Bug libfortran/81986] New: sanitizer detects negation of large number in string.c

[Bug libgcc/60790] libatomic convenience library selects IFUNC implementation before obtaining cpu info.

[Bug libgcc/78804] [RX] -m64bit-doubles does not work

[Bug libgcc/81806] New: Split in pbds works in O(n) instead of O(log n)

[Bug libgcc/81960] gcc doesn't compile on MAC OS X

[Bug libgcc/81960] New: gcc doesn't compile on MAC OS X

[Bug libgomp/68033] OpenMP: ICE with teams distribute

[Bug libgomp/70805] libgomp.c/for-5.c and libgomp.c++/for-13.C FAIL

[Bug libgomp/80859] Performance Problems with OpenMP 4.5 support

[Bug libgomp/81591] segmentation fault when using priorities of nested tasks

[Bug libgomp/81688] libgomp.c/target-3{3,4}.c fails: GOMP_OFFLOAD_async_run unimplemented for nvptx

[Bug libgomp/81688] New: libgomp.c/target-3{3,4}.c fails: GOMP_OFFLOAD_async_run unimplemented for nvptx

[Bug libgomp/81689] New: libgomp.c/target-link-1.c fails for nvptx: #pragma omp target link not implemented

[Bug libgomp/81691] libgomp.fortran/target2.f90 fails for nvptx at -O0 and -O1

[Bug libgomp/81691] New: libgomp.fortran/target2.f90 fails for nvptx at -O0 and -O1

[Bug libgomp/81698] expand_omp_sections generates unusual switch

[Bug libgomp/81698] New: expand_omp_sections generates unusual switch

[Bug libgomp/81752] New: num_gangs(65536) converted to 0

[Bug libgomp/81768] [8 Regression] error: control flow in the middle of basic block

[Bug libgomp/81768] error: control flow in the middle of basic block

[Bug libgomp/81768] New: error: control flow in the middle of basic block

[Bug libgomp/81778] libgomp.c/for-5.c failure on nvptx -- illegal memory access

[Bug libgomp/81778] New: libgomp.c/for-5.c failure on nvptx -- illegal memory access

[Bug libgomp/81802] New: Report cuLaunchKernel launch dimensions in GOMP_OFFLOAD_run

[Bug libgomp/81802] Report cuLaunchKernel launch dimensions in GOMP_OFFLOAD_run

[Bug libgomp/81805] Another libgomp.c/for-5.c failure on nvptx -- illegal memory access

[Bug libgomp/81805] New: Another libgomp.c/for-5.c failure on nvptx -- illegal memory access

[Bug libgomp/81886] Means to determine at runtime foffload targets specified at compile time

[Bug libgomp/81886] New: Means to determine at runtime foffload targets specified at compile time

[Bug libitm/82012] New: [8 Regression] libitm build fails for s390x-linux-gnu

[Bug libstdc++/11196] _GNU_SOURCE vs. M_PI

[Bug libstdc++/17215] [3.4 only] __basic_file<char>::close ignores errors

[Bug libstdc++/21549] Configure options hard to find

[Bug libstdc++/29366] atomics config for sh is weird

[Bug libstdc++/53984] iostream operation throwing exception when exceptions not enabled

[Bug libstdc++/57426] Application core dumps at __gnu_cxx::__exchange_and_add

[Bug libstdc++/60936] [5/6 Regression] Binary code bloat with std::string

[Bug libstdc++/68210] nothrow operator fails to call default new

[Bug libstdc++/70940] pmr::resource_adaptor requires optional allocator requirements and incorrectly aligns returned pointers.

[Bug libstdc++/70982] experimental/filesystem/iterators/directory_iterator.cc etc. FAIL with --enable-vtable-verify

[Bug libstdc++/71500] regex::icase only works on first character in a range

[Bug libstdc++/77492] std regex icase doesn't seem to work correctly.

[Bug libstdc++/77691] [7/8 regression] experimental/memory_resource/resource_adaptor.cc FAILs

[Bug libstdc++/79162] [7/8 Regression] [C++17] ambiguity in string assignment due to string_view overload

[Bug libstdc++/79820] std::ifstream sets errno to zero

[Bug libstdc++/80335] perf of copying std::optional<trivial>

[Bug libstdc++/81017] Class with vector of unique_ptr and std::function does not compile

[Bug libstdc++/81076] __byte_operand<cv T> is not SFINAE-friendly

[Bug libstdc++/81482] by-value lambda capture in remove_if

[Bug libstdc++/81669] trunk/gcc/fibonacci_heap.h:58: possible missing initialisation ?

[Bug libstdc++/81670] New: include/ext/pb_ds/detail/splay_tree_/splay_fn_imps.hpp:253: suspicious assignment ?

[Bug libstdc++/81706] std::sin vectorization bug

[Bug libstdc++/81749] New: std::align: runtime error: negation of 8 cannot be represented in type 'size_t'

[Bug libstdc++/81749] std::align: runtime error: negation of 8 cannot be represented in type 'size_t'

[Bug libstdc++/81751] [5/6/7 Regression]__basic_file::sync() may flush _all_ files

[Bug libstdc++/81751] [5/6/7/8 Regression]__basic_file::sync() may flush _all_ files

[Bug libstdc++/81751] __basic_file::sync() may flush _all_ files

[Bug libstdc++/81751] New: __basic_file::sync() may flush _all_ files

[Bug libstdc++/81771] __basic_file::sys_open is not a reserved name

[Bug libstdc++/81771] New: __basic_file::sys_open is not a reserved name

[Bug libstdc++/81797] gcc 7.1.0 fails to build on macOS 10.13 (High Sierra):

[Bug libstdc++/81797] New: gcc 7.1.0 fails to build on macOS 10.13 (High Sierra):

[Bug libstdc++/81808] 27_io /basic_fstream/53984.cc failure on AIX

[Bug libstdc++/81808] New: 27_io /basic_fstream/53984.cc failure on AIX

[Bug libstdc++/81835] cxxabi.h has invalid link in comment.

[Bug libstdc++/81857] [DR2471] istreambuf_iterator not work as input iterator

[Bug libstdc++/81857] istreambuf_iterator not work as input iterator

[Bug libstdc++/81857] New: istreambuf_iterator not work as input iterator

[Bug libstdc++/81885] New: operator-> not checked by -D_GLIBCXX_ASSERTIONS

[Bug libstdc++/81885] operator-> not checked by -D_GLIBCXX_ASSERTIONS

[Bug libstdc++/81891] [5/6/7 Regression] heap-use-after-free if inserting element in std::unordered_map(InputIt, InputIt) throws

[Bug libstdc++/81891] [5/6/7/8 Regression] heap-use-after-free if inserting element in std::unordered_map(InputIt, InputIt) throws

[Bug libstdc++/81891] New: heap-use-after-free if inserting element in std::unordered_map(InputIt, InputIt) throws

[Bug libstdc++/81905] New: partial_sort slower than sort

[Bug libstdc++/81912] New: std::distance not constexpr in C++17 mode

[Bug libstdc++/81912] std::distance not constexpr in C++17 mode

[Bug libstdc++/81950] _GLIBCXX17_INLINE macro not used consistently

[Bug libstdc++/81950] _GLIBCXX17_INLINEmacro not used consistently

[Bug libstdc++/81950] New: _GLIBCXX17 macro not used consistently

[Bug libstdc++/81964] istream_iterator: unexpected read in ctor

[Bug libstdc++/81967] New: No overload std::basic_string::erase(__const_iterator, __const_iterator) old ABI

[Bug libstdc++/81967] No overload std::basic_string::erase(__const_iterator, __const_iterator) for old ABI

[Bug libstdc++/82033] C++11 <thread> library doesn't work on AIX if GCC is built with --disable-bootstrap

[Bug libstdc++/82033] New: C++11 <thread> library doesn't work on AIX if GCC is built with --disable-bootstrap

[Bug libstdc++/82039] New: -Wzero-as-null-pointer-constant triggers when calling std::allocate<...>::allocate

[Bug lto/41565] -m32 causes an ICE when the object files were compiled with 64bit

[Bug lto/52322] lto1: internal compiler error: in lto_symtab_register_decl, at lto-symtab.c:148

[Bug lto/53312] crash in materialize_cgraph (invalid free)

[Bug lto/81004] [7/8 Regression] linking failed with -flto and static libboost_program_options

[Bug lto/81430] nvptx acceleration compilation broken because of running pass_partition_blocks

[Bug lto/81487] [mingw32] ld.exe: error: asprintf failed

[Bug lto/81612] lto1: internal compiler error: Segmentation fault

[Bug lto/81686] LTO hardcodes identity host to target charset mapping

[Bug lto/81686] New: LTO hardcodes identity host to target charset mapping

[Bug lto/81816] ICE in lto1 with -fopenmp offloading and nested #pragma omp target

[Bug lto/81816] New: ICE in lto1 with -fopenmp offloading and nested #pragma omp target

[Bug lto/81817] ICE in lto1 with -fopenmp offloading and nested #pragma omp target

[Bug lto/81817] New: ICE in lto1 with -fopenmp offloading and nested #pragma omp target

[Bug lto/81847] ICE with LTO enabled

[Bug lto/81861] [8.0 Regression] ASan pr64820.c testcase segfaults with LTO and -fstack-protector-strong

[Bug lto/81861] ASan pr64820.c testcase segfaults with LTO and -fstack-protector-strong

[Bug lto/81925] early lto debug link failure on aarch64_be

[Bug lto/81925] New: early lto debug link failure on aarch64_be

[Bug lto/81940] [8 regression] internal compiler error: in dwarf2out_abstract_function, at dwarf2out.c:21613

[Bug lto/81940] New: [8 regression] internal compiler error: in dwarf2out_abstract_function, at dwarf2out.c:21613

[Bug lto/81968] [8 regression] early lto debug objects make Solaris ld SEGV

[Bug lto/81968] New: [8 regression] early lto debug objects make Solaris ld SEGV

[Bug lto/82027] [5/6/7/8 Regression] wrong code with -O3 -flto

[Bug lto/82027] New: wrong code with -O3 -flto

[Bug lto/82031] [8 regression] early lto debug creates invalid assembly on Darwin

[Bug lto/82031] New: [8 regression] early lto debug creates invalid assembly on Darwin

[Bug middle-end/19706] Recognize common Fortran usages of copysign.

[Bug middle-end/24239] spurious warning about clobbered variables w.r.t. longjmp

[Bug middle-end/24639] [meta-bug] bug to track all Wuninitialized issues

[Bug middle-end/40298] possible failure in cgraph_clone_inlined_nodes with -O3

[Bug middle-end/46555] [5/6/7/8 Regression] PHI RTL expansion leads to CSiBE regression

[Bug middle-end/46932] Inefficient code sequence to access local variable

[Bug middle-end/55808] excessive memory usage from gcc 4.7.2 when compiling mame source code

[Bug middle-end/59572] Not clear error message in smallest_mode_for_size in handled case

[Bug middle-end/63943] wrong location for -Wmaybe-uninitialized in inlined function

[Bug middle-end/64928] [5/6/7/8 Regression] Inordinate cpu time and memory usage in "phase opt and generate" with -ftest-coverage -fprofile-arcs

[Bug middle-end/69025] df-scan.c:2536 warning: array subscript is above array bounds

[Bug middle-end/69971] repetitive code with __builtin_return_address with a large level

[Bug middle-end/70100] [5 Regression] ICE: in execute, at cfgexpand.c:6066

[Bug middle-end/70140] Inefficient expansion of __builtin_mempcpy

[Bug middle-end/70879] Missed jump threading opportunity with multiple != conditions

[Bug middle-end/77799] missing -Wformat-overflow warning on a trivial sprintf overflow with no directives

[Bug middle-end/78098] error: interrupt service routine can't be called directly

[Bug middle-end/78266] broken openacc loop partitioning on nvptx offloading targets

[Bug middle-end/78760] strcpy buffer overflow not diagnosed with -Wstringop-overflow

[Bug middle-end/78837] missing -Walloca-larger-than on a call in a ternary expression

[Bug middle-end/78915] missing -Wuninitialized accessing allocated memory

[Bug middle-end/78917] missing -Wnonnull passing null to a nonnull function

[Bug middle-end/78998] missing -Wnonnull for an unconditional call to strlen with a null argument

[Bug middle-end/79016] missing -Wstringop-overflow= overflowing allocated buffers

[Bug middle-end/79220] missing -Wstringop-overflow= on a memcpy overflow

[Bug middle-end/79221] missing -Wstringop-overflow= on a strcat overflow

[Bug middle-end/79499] ICE in rtl_verify_bb_insns, at cfgrtl.c:2661

[Bug middle-end/79989] [7/8 Regression][CHKP] ICE in assign_temp, at function.c:968

[Bug middle-end/80283] [5/6/7/8 Regression] bad SIMD register allocation

[Bug middle-end/80295] [7/8 Regression] ICE in __builtin_update_setjmp_buf expander

[Bug middle-end/80815] wrong code because of broken runtime alias check in vectorizer

[Bug middle-end/80926] [7/8 Regression] longjmp not treated as noreturn during CFG build

[Bug middle-end/80929] [6/7/8 Regression] Division with constant no more optimized to mult highpart

[Bug middle-end/81052] ICE in verify_dominators, at dominance.c:1184

[Bug middle-end/81088] UBSAN: false positive as a result of reassosiation

[Bug middle-end/81318] [8 regression] ICE in to_reg_br_prob_base, at profile-count.h:189

[Bug middle-end/81400] Stack smashing not caught by stack protector strong and allowing me to stack smash

[Bug middle-end/81408] Lots of new -Wunsafe-loop-optimizations warnings with 7 compared to 6

[Bug middle-end/81512] duplicate note in -Walloca-larger-than and alloca in a return statement

[Bug middle-end/81596] backwards threader misses simple copy within the same BB

[Bug middle-end/81657] [8 Regression] FAIL: gcc.dg/20050503-1.c scan-assembler-not call

[Bug middle-end/81657] New: [8 Regression] FAIL: gcc.dg/20050503-1.c scan-assembler-not call

[Bug middle-end/81666] GLIBC build failed with arm/aarch64 linux cross toolchain

[Bug middle-end/81666] New: GLIBC build failed with arm/aarch64 linux cross toolchain

[Bug middle-end/81695] [5/6/7 Regression] internal compiler error: in size_binop_loc, at fold-const.c:1768

[Bug middle-end/81695] [5/6/7/8 Regression] internal compiler error: in size_binop_loc, at fold-const.c:1768

[Bug middle-end/81695] New: [5/6/7/8 Regression] internal compiler error: in size_binop_loc, at fold-const.c:1768

[Bug middle-end/81698] expand_case uses wrong edge as default edge

[Bug middle-end/81705] [8 Regression] UBSAN: yet another false positive

[Bug middle-end/81719] Range-based for loop on short fixed size array generates long unrolled loop

[Bug middle-end/81724] ICE in expand_stack_vars

[Bug middle-end/81724] New: ICE in expand_stack_vars

[Bug middle-end/81734] [7/8 Regression] reference to inline function not emitted with -Os

[Bug middle-end/81734] New: [7/8 Regression] reference to inline function not emitted with -Os

[Bug middle-end/81737] [8 Regression] 164.gzip in SPEC CPU 2000 failed to build

[Bug middle-end/81737] New: [8 Regression] 164.gzip in SPEC CPU 2000 failed to build

[Bug middle-end/81782] [7/8 Regression] Yet another -Wmaybe-uninitialized false positive with empty array

[Bug middle-end/81782] New: Yet another -Wmaybe-uninitialized false positive with empty array

[Bug middle-end/81801] [PATCH] Difference of two pointers generates signed overflow

[Bug middle-end/81812] [7/8 Regression] Empty virtual function fails to compile

[Bug middle-end/81814] [5/6/7 Regression] Incorrect behaviour at -O0 (conditional operator)

[Bug middle-end/81814] [5/6/7/8 Regression] Incorrect behaviour at -O0 (conditional operator)

[Bug middle-end/81818] aarch64 uses 2-3x memory and 2x time of arm at -Os, -O2, -O3

[Bug middle-end/81828] Cilkplus performance regression on ARM...

[Bug middle-end/81832] [8 Regression] ICE in expand_LOOP_DIST_ALIAS, at internal-fn.c:2273

[Bug middle-end/81832] ICE in expand_LOOP_DIST_ALIAS, at internal-fn.c:2273

[Bug middle-end/81832] New: ICE in expand_LOOP_DIST_ALIAS, at internal-fn.c:2273

[Bug middle-end/81876] [7/8 Regression] bogus -Wstrict-overflow warning with -O3

[Bug middle-end/81889] [7 Regression] bogus warnings with -Wmaybe-uninitialized -O3

[Bug middle-end/81889] [7/8 Regression] bogus warnings with -Wmaybe-uninitialized -O3

[Bug middle-end/81889] New: [7 Regression] bogus warnings with -Wmaybe-uninitialized -O3

[Bug middle-end/81897] [5.4/6.4/7.2/8 Regression] spurious -Wmaybe-uninitialized warning

[Bug middle-end/81897] [5/6/7/8 Regression] spurious -Wmaybe-uninitialized warning

[Bug middle-end/81897] New: spurious -Wmaybe-uninitialized warning

[Bug middle-end/81907] New: undefined reference to `memset'

[Bug middle-end/81908] [8 Regression] FAIL: gfortran.dg/alloc_comp_auto_array_2.f90 -O3 -g -m32

[Bug middle-end/81908] New: [8 Regression] FAIL: gfortran.dg/alloc_comp_auto_array_2.f90 -O3 -g -m32

[Bug middle-end/81914] [7/8 Regression] gcc 7.1 generates branch for code which was branchless in earlier gcc version

[Bug middle-end/81916] expansion of rint/nearbyint can simplified under -fno-signed-zeros

[Bug middle-end/81916] New: expansion of rint/nearbyint can simplified under -fno-signed-zeros

[Bug middle-end/81931] [8 regression] r251260 breaks many tests on powerpc64

[Bug middle-end/81954] gcc8 too aggressively reorders memory access beyond condition

[Bug middle-end/81994] [5/6 Regression][C++11]Internal error: same_comdat_group list across different groups

[Bug middle-end/82004] [8 Regression] SPEC CPU2017 628.pop2_s miscompare

[Bug middle-end/82004] New: SPEC CPU2017 628.pop2_s miscompare

[Bug middle-end/82014] worse code emitted for a valid memove than for undefined memcpy

[Bug middle-end/82016] [8 regression] test case gcc.target/powerpc/float128-type-1.c fails after r251260

[Bug middle-end/82044] New: runtime signed integer overflow in check_mem_read_rtx() and all_positions_needed_p() in dse.c

[Bug middle-end/82044] runtime signed integer overflow in check_mem_read_rtx() and all_positions_needed_p() in dse.c

[Bug middle-end/82051] [mips]mips emit different results when compiling union var using -O0/-O2

[Bug middle-end/82062] New: [8 regression] simple conditional expressions no longer folded

[Bug other/29842] [meta-bug] outstanding patches / issues from STMicroelectronics

[Bug other/32415] libgcc_s not found in library search path with --enable-version-specific-runtime-libs

[Bug other/39851] gcc -Q --help=target does not list extensions selected by -march=

[Bug other/49284] -fdump-ipa-cgraph leads to ICE in generate_canonical_option, at opts-common.c:303

[Bug other/78889] GCC fails to build due to graphite-dependences.c

[Bug other/80437] large decimal numbers in diagnostics are hard to read

[Bug other/80923] RTEMS SH ICE building gcc-7.1.0 on FreeBSD 11.0

[Bug other/81096] [8 regression] test case ttest in libbacktrace fails starting with its introduction in r249111

[Bug other/81334] -Wmisleading-indentation prints notes about being disabled even when already intentionally ignored

[Bug other/81667] trunk/gcc/alloc-pool.h:239: possible missing initialiser ?

[Bug other/81712] gcc does not compile when using glib 2.26 (everything works fine with 2.25)

[Bug other/81712] New: gcc does not compile when using glib 2.26 (everything works fine with 2.25)

[Bug other/81732] New: Error: Architecture mismatch on "rd".

[Bug other/81752] Sanity-check OMP clause arguments, command-line flags, and environment variables

[Bug other/81793] New: static pie fails on powerpc-linux

[Bug other/81831] -Wno-psabi is not documented

[Bug other/81831] New: -Wno-psabi is not documented

[Bug other/81927] [8 regression] Many, many test case failures starting with r251220

[Bug other/81927] New: [8 regression] Many, many test case failures starting with r251220

[Bug other/81931] [8 regression] r251260 breaks many tests on powerpc64

[Bug other/81931] New: [8 regression] r251260 breaks many tests on powerpc64

[Bug other/81969] New: "el" escape sequence in coloring yields incorrect message in some terminals

[Bug other/81979] [8 Regression] Assembler messages: Error: can't resolve `.got2' {.got2 section} - `.LCF0' {.text.unlikely section}

[Bug other/81979] New: [8 Regression] Assembler messages: Error: can't resolve `.got2' {.got2 section} - `.LCF0' {.text.unlikely section}

[Bug other/82061] -Wall documentation needs updating

[Bug other/82061] New: -Wall documentation needs updating

[Bug other/82063] New: issues with arguments enabled by -Wall

[Bug pch/80572] crash reporting warning from precompiled header

[Bug preprocessor/45599] Remove all code applying to obsolete "#pragma once"

[Bug preprocessor/53404] warning column reported on comment in warning during bootstrap

[Bug preprocessor/77810] provide format_inform_at_substring to go with format_warning_at_substring

[Bug preprocessor/79701] #pragma ignored "-Wcomment" has no effect

[Bug preprocessor/81419] GCC wrongly suggests function-like macro as fixit hint for undefined object-like macro

[Bug preprocessor/81745] missing warning with -pedantic when a C file does not end with a newline character

[Bug preprocessor/81745] New: missing warning with -pedantic when a C file does not end with a newline character

[Bug preprocessor/81746] New: a blackslash at the end of a file is not removed

[Bug preprocessor/81794] "would be stringified in traditional C" warning should be controlled by -Wtraditional

[Bug preprocessor/81794] New: "would be stringified in traditional C" warning should be controlled by -Wtraditional

[Bug regression/81819] New: [7 Regression][RX] internal compiler error: in rx_is_restricted_memory_address, at config/rx/rx.c:311

[Bug rtl-optimization/30065] Could use indexed addressing to reduce const costs

[Bug rtl-optimization/40838] gcc shouldn't assume that the stack is aligned

[Bug rtl-optimization/57970] segfault in sched-deps.c

[Bug rtl-optimization/60818] ICE in validate_condition_mode on powerpc*-linux-gnu*

[Bug rtl-optimization/65862] [MIPS] IRA/LRA issue: integers spilled to floating-point registers

[Bug rtl-optimization/70681] [6/7/8 Regression] FAIL: gcc.dg/ira-shrinkwrap-prep-2.c gcc.dg/pr10474.c on arm and powerpc

[Bug rtl-optimization/70902] GCC freezes while compiling for 'skylake-avx512' target

[Bug rtl-optimization/71118] [5/6/7/8 Regression] ftois instruction not emitted for float -> int bitcast

[Bug rtl-optimization/75964] insn combiner removes comparison after ABS

[Bug rtl-optimization/78652] Add testcase for LRA generates wrong code by inheriting changed register

[Bug rtl-optimization/79438] [7/8 Regression] ICE during RA w/ -O3 (or -Ofast) -funroll-loops for 32-bit BE SPE target

[Bug rtl-optimization/80693] [6/7/8 Regression] wrong code with -O -fno-tree-coalesce-vars

[Bug rtl-optimization/81301] [8 Regression] ICE: verify_flow_info failed (error: non-cold basic block 13 dominated by a block in the cold partition (8)) on 32-bit BE powerpc target

[Bug rtl-optimization/81423] [6/7/8 Regression] Wrong code at -O2

[Bug rtl-optimization/81434] AArch64 instruction fusing and pipeline scheduling problem

[Bug rtl-optimization/81538] Optimization problem compiling op.c (Perl_custom_op_get_field) in perl 5.26

[Bug rtl-optimization/81625] GCC v4.7 ... v8 is bloating code by > 25% compared to v3.4

[Bug rtl-optimization/81644] ICE in rtl_verify_bb_insn, BBRO pass duplicates BB that ends with flow control insn

[Bug rtl-optimization/81644] New: ICE in rtl_verify_bb_insn, BBRO pass duplicates BB that ends with flow control insn

[Bug rtl-optimization/81747] [8 Regression] ICE in operator[], at vec.h:749

[Bug rtl-optimization/81747] New: [8 Regression] ICE in operator[], at vec.h:749

[Bug rtl-optimization/81791] [8 Regression] ICE in cfg_layout_redirect_edge_and_branch, at cfgrtl.c:4422

[Bug rtl-optimization/81791] New: [8 Regression] ICE in cfg_layout_redirect_edge_and_branch, at cfgrtl.c:4422

[Bug rtl-optimization/81955] corrupted double-linked list (not small)

[Bug rtl-optimization/82020] ICE in decompose at rtl.h:2126

[Bug rtl-optimization/82020] New: ICE in decompose at rtl.h:2126

[Bug rtl-optimization/82024] [8 Regression] wrong code with -Og -fgcse-sm -frerun-cse-after-loop --param=max-combine-insns=3

[Bug rtl-optimization/82024] New: [8 Regression] wrong code with -Og -fgcse-sm -frerun-cse-after-loop --param=max-combine-insns=3

[Bug rtl-optimization/82057] New: ICE with -fgraphite-identity

[Bug rtl-optimization/82058] ICE in process_alt_operands, at lra-constraints.c:2954 (after adding early clobber in .md)

[Bug rtl-optimization/82058] New: ICE in process_alt_operands, at lra-constraints.c:2954 (after adding early clobber in .md)

[Bug sanitizer/79200] Race-Condition in Address Santitizer (RT_PREEMPT-Kernel only?)

[Bug sanitizer/80932] UBSAN: false positive as a result of distribution: c1*(c2*v1-c3*v2)=>c1*c2*v1-c1*c3*v2

[Bug sanitizer/81021] stack-use-after-scope false positive error with exceptions

[Bug sanitizer/81065] UBSAN: false positive as a result of distribution involving different types

[Bug sanitizer/81148] UBSAN: two more false positives

[Bug sanitizer/81598] -fsanitize=enum does not detect range violation

[Bug sanitizer/81601] [7/8 Regression] incorrect Warray-bounds warning with -fsanitize

[Bug sanitizer/81645] Learn UBSAN to support -fsanitize=builtin

[Bug sanitizer/81645] New: Learn UBSAN to support -fsanitize=builtin

[Bug sanitizer/81649] Instrumentation Options page grammar

[Bug sanitizer/81697] Incorrect ASan global variables alignment on arm

[Bug sanitizer/81697] New: Incorrect ASan global variables alignment on arm

[Bug sanitizer/81711] __res_state is a struct and a function in glibc 2.26

[Bug sanitizer/81715] New: asan-stack=1 redzone allocation is too inflexible

[Bug sanitizer/81870] -fsanitize=undefined doesn't pay attention to __builtin_assume_aligned()

[Bug sanitizer/81870] New: -fsanitize=undefined doesn't pay attention to __builtin_assume_aligned()

[Bug sanitizer/81902] new -fsanitize=pointer-overflow option undocumented

[Bug sanitizer/81902] New: new -fsanitize=pointer-overflow option undocumented

[Bug sanitizer/81923] [ASAN] gcc emites wrong odr asan instrumentation for glibc

[Bug sanitizer/81923] New: [ASAN] gcc emites wrong odr asan instrumentation for glibc

[Bug sanitizer/81981] [8 Regression] -fsanitize=undefined makes a -Wmaybe-uninitialized warning disappear

[Bug sanitizer/81981] New: [8 Regression] -fsanitize=undefined makes a -Wmaybe-uninitialized warning disappear

[Bug sanitizer/81986] sanitizer detects negation of large number in string.c

[Bug sanitizer/82046] [7/8 Regression] Bogus -fsanitize=undefined error with -O2 -Wall

[Bug sanitizer/82046] New: Bogus -fsanitize=undefined error with -O2 -Wall

[Bug swing/38194] DefaultListSelectionModel.java: remove dead for loop ?

[Bug swing/38198] DefaultTableColumnModel.java: redundant call to new

[Bug target/31798] lib1funcs.asm:1000: undefined reference to `raise'

[Bug target/35179] execs crash in shared lib destructor = do_global_dtors_aux

[Bug target/40503] DEC_EVAL_METHOD not match operators

[Bug target/40836] ICE: "insn does not satisfy its constraints" (iwmmxt_movsi_insn)

[Bug target/42199] A problem with -maltivec

[Bug target/46091] missed optimization: x86 bt/btc/bts instructions

[Bug target/46861] alpha gcc 4.2 -fPIC visibility hidden => gp-relative relocation against dynamic symbol

[Bug target/48227] "rep ret" generated for -march=core2

[Bug target/48256] gcc4.4.5 internal compiler error: in change_address_1, at emit-rtl.c:1954

[Bug target/48863] A Bug When Assembler Instructions with C Expression Operands in arm-elf-gcc 4.5

[Bug target/52811] -O3 flag makes xorg-server-1.11.4 compile fail on amd64

[Bug target/53083] gcc bug in moving from the SSE registers back onto the heap.

[Bug target/53362] gcc 4.7 generates invalid code with -O3 and -mtune=bdver1

[Bug target/56010] Powerpc, -mcpu=native and -mtune=native use the wrong name for target 7450

[Bug target/56412] [4.8] "libtool: cygpath: command not found" for mingw32 host

[Bug target/57271] ARM: gcc generates insufficient alignment for memory passed as extra argument for function return large composite type

[Bug target/59865] gnu multiversion calculates wrong target

[Bug target/61373] neon registers restored incorrectly with -mapcs-frame -O -fno-omit-frame-pointer

[Bug target/63545] ICE when building GCC for ia64-hp-hpux11.23 in hash_table<cselib_hasher,xcallocator>::find_slot_with_hash

[Bug target/64512] ICE: in sched_analyze_reg, at sched-deps.c:2360 with -O2 -mmemcpy-strategy=vector_loop:-1:align -mno-push-args

[Bug target/64546] m32c ICE at calls.c:3638 compiling newlib

[Bug target/67317] [x86] Silly code generation for _addcarry_u32/_addcarry_u64

[Bug target/67353] [avr] Option-ize Warning "appears to be a misspelled signal / interrupt handler"

[Bug target/67586] xtensa: ICE with -Os -g -fno-builtin-malloc in dwarf2out_var_location, at dwarf2out.c:22380

[Bug target/67638] [SH] ICE with nosave_low_regs ISR and -mfmovd

[Bug target/67643] [SH] ICE with ISR and -mfmovd

[Bug target/67694] ICE on returning undefined enum in must_pass_in_stack_var_size_or_pad

[Bug target/67712] [SH] __builtin_strncmp causes code bloat

[Bug target/68094] Compiler segmentation fault

[Bug target/68256] Defining TARGET_USE_CONSTANT_BLOCKS_P causes go bootstrap failure on aarch64.

[Bug target/68485] ICE while building gpsd package on microblaze

[Bug target/68543] [AArch64] Implement overflow arithmetic standard names {u,}{add,sub,mul}v4<mode> and/or negv3<mode>

[Bug target/68577] [6 Regression] ICE: in expand_direct_optab_fn, at internal-fn.c:2171

[Bug target/68834] ICE: in decompose_normal_address, at rtlanal.c:6086 with -O2 -fPIC --param=sched-autopref-queue-depth=1

[Bug target/69639] [6/7/8 Regression] FAIL: gcc.c-torture/compile/limits-exprparen.c

[Bug target/71233] [ARM] missing AdvSIMD poly64 intrinsics

[Bug target/71555] ICE: compilation "never" finishes with -O -mtune=sandybridge -mavx512bw

[Bug target/71958] x86_64-w64-mingw32, ICE when '-mx32' is used

[Bug target/72804] Poor code gen with -mvsx-timode

[Bug target/77346] [7 Regression] ICE in push_reload, at reload.c:1350

[Bug target/77579] Missed multiple add (int) for CSEd case

[Bug target/77953] [MIPS] ice: insn does not satisfy its constraints - __bswapsi2

[Bug target/78459] [7/8 Regression] [SH] ICE in maybe_record_trace_start building glibc string tests

[Bug target/78460] [7/8 Regression] [SH] OOM building glibc string tst-cmp.c

[Bug target/78603] internal compiler error: in dwarf2out_var_location, at dwarf2out.c:21846

[Bug target/78633] [7/8 Regression] [SH] libgcc/fp-bit.c:944:1: error: invalid rtl sharing found in the insn

[Bug target/78643] [5/6/7/8 Regression] ICE in convert_move, at expr.c:230

[Bug target/78804] [RX] -m64bit-doubles does not work

[Bug target/78860] ICE in compilation for MIPS with -mpaired-single

[Bug target/79242] ICE in simplify_subreg, at simplify-rtx.c:6029

[Bug target/79391] sh ICE in in eligible_for_delay, at config/sh/sh.md:564

[Bug target/79451] [7/8 Regression] ICE in expand_expr_real_2, at expr.c:9021 w/ -O3 -floop-nest-optimize

[Bug target/79499] ICE in rtl_verify_bb_insns, at cfgrtl.c:2661

[Bug target/79565] ICE in copy_to_mode_reg, at explow.c:612

[Bug target/79742] ARM sched pipeline selection problems

[Bug target/79810] ICE in ix86_vector_duplicate_value, at config/i386/i386.c:45701

[Bug target/79845] rs6000: make code in rs6000.c more i18n-friendly

[Bug target/79883] avr i18n: untranslated "interrupt" or "signal"

[Bug target/79890] ICE in s390_initial_elimination_offset, at config/s390/s390.c:10430

[Bug target/79912] [7/8 regression] LRA unable to generate reloads after r245655

[Bug target/79975] SEGV in cc1 compiling gcc.dg/rtl/x86_64/final.c

[Bug target/80019] ICE in ix86_vector_duplicate_value, at config/i386/i386.c:42584

[Bug target/80035] [nvptx] non-returning function call causes ptxas sigsegv

[Bug target/80204] macosx-version-min wrong for macOS Sierra 10.12.3

[Bug target/80210] ICE in in extract_insn, at recog.c:2311 on ppc64 for with __builtin_pow

[Bug target/80214] ICE in s390_initial_elimination_offset, at config/s390/s390.c:10249

[Bug target/80462] [avr] Incorrect "warning: uninitialized variable 'xxx' put into program memory area" for identical strings

[Bug target/80479] [7/8 Regression] strcmp() produces valgrind errors on ppc64le

[Bug target/80503] ICE in extract_insn, at recog.c:2311 on ppc64le-linux-gnu

[Bug target/80556] [8 Regression] bootstrap failure for Ada compiler

[Bug target/80618] [8 regression] test case gcc.dg/pr50310-2.c fails with ICE starting with 247544

[Bug target/80640] Missing memory side effect with __atomic_thread_fence (2)

[Bug target/80689] 128 bit loads generated for structure copying with gcc 7.1.0 and leads to STLF stalls in avx2 targets.

[Bug target/80700] [7/8 Regression] ICE: Bus error (on SPE target)

[Bug target/80725] [7 Regression] s390x ICE on alsa-lib

[Bug target/80820] _mm_set_epi64x shouldn't store/reload for -mtune=haswell, Zen should avoid store/reload, and generic should think about it.

[Bug target/80837] [7/8 regression] x86 accessing a member of a 16-byte atomic object generates terrible code: splitting/merging the bytes

[Bug target/80846] auto-vectorized AVX2 horizontal sum should narrow to 128b right away, to be more efficient for Ryzen and Intel

[Bug target/80881] [7/8 Regression] null pointer access in libgomp.h

[Bug target/80938] [7/8 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2330

[Bug target/80969] [8 Regression] ICE in ix86_expand_prologue, at config/i386/i386.c:14606

[Bug target/80993] [msp430] __attribute__((interrupt)) should imply __attribute__((used))

[Bug target/81170] powerpc*-linux --enable-default-pie chooses incorrect startup files

[Bug target/81193] PowerPC GCC __builtin_cpu_is and __builtin_cpu_supports should warn about old libraries

[Bug target/81228] [7/8 Regression] ICE in gen_vec_cmpv2dfv2di, at config/aarch64/aarch64-simd.md:2508

[Bug target/81268] [avr] Support __gcc_isr pseudo-instruction for more efficient ISR prologues

[Bug target/81295] bootstrap broken on powerpc-linux-gnu with --enable-default-pie

[Bug target/81305] [avr] avrtiny uses LDS for SREG in ISR routines which is out of range of LDS.

[Bug target/81313] Bad stack realignment code with -mno-accumulate-outgoing-args

[Bug target/81316] Missing memory side effect on __atomic_store

[Bug target/81317] builtin_vec_ld fails for powerpc with altivec

[Bug target/81357] Extra mov for zero extend of add

[Bug target/81389] _mm_cmpestri segfault on -O0

[Bug target/81407] [avr] Diagnose if a variable in progmem needs constructing.

[Bug target/81414] [6/7 Regression] ICE in fma steering on AArch64/cortex-a57

[Bug target/81456] [7/8 Regression] x86-64 optimizer makes wrong decision when optimizing for size

[Bug target/81481] [7/8 Regression] Spills %xmm to stack in glibc strspn SSE 4.2 variant

[Bug target/81485] [SH] ICE: in sh_find_set_of_reg, at config/sh/sh-protos.h:232

[Bug target/81490] x86: Handling of symbol ranges for __seg_fs/__seg_gs

[Bug target/81504] [7/8 Regression] gcc-7 regression: vec_st in loop misoptimized

[Bug target/81572] [7/8 Regression] gcc-7 regression: unnecessary vector regmove on compare

[Bug target/81572] [7/8 Regression] unnecessary vector regmove on compare

[Bug target/81572] New: gcc-7 regression: unnecessary vector regmove on compare

[Bug target/81585] fastcall/stdcall attribute conflict not detected on distinct declarations of the same function

[Bug target/81590] AVX512 run-time test failures

[Bug target/81593] Optimize PowerPC vector set from vector extract

[Bug target/81613] [7/8 regression] FAIL: gfortran.dg/intrinsic_modulo_1.f90 -O3 -g execution test

[Bug target/81621] ICE in delete_insn, at cfgrtl.c:167 with s390x cross compiler

[Bug target/81622] [7/8 Regression] ICE on invalid altivec code with ppc64{,le}

[Bug target/81635] nvptx SLP test cases regressions

[Bug target/81639] ICE in rtl_verify_bb_insns, at cfgrtl.c:2669 with a naked function

[Bug target/81639] New: ICE in rtl_verify_bb_insns, at cfgrtl.c:2669 with a naked function

[Bug target/81641] Assemble failure with named address spaces and -masm=intel

[Bug target/81641] New: Assemble failure with named address spaces and -masm=intel

[Bug target/81643] FAIL: gcc.target/aarch64/long_branch_1.c scan-assembler Ltb

[Bug target/81643] New: FAIL: gcc.target/aarch64/long_branch_1.c scan-assembler Ltb

[Bug target/81644] ICE in rtl_verify_bb_insn, BBRO pass duplicates BB that ends with flow control insn

[Bug target/81646] i386 SSE2 compilation mode which preserves psABI stack alignment without requiring it

[Bug target/81646] New: i386 SSE2 compilation mode which preserves psABI stack alignment without requiring it

[Bug target/81647] inconsistent LTGT behavior at different optimization levels on AArch64.

[Bug target/81647] New: inconsistent LTGT behavior at different optimization levels on AArch64.

[Bug target/81648] [8 regression] r250759 breaks build on powerpc64

[Bug target/81648] New: [8 regression] r250759 breaks build on powerpc64

[Bug target/81652] [meta-bug] -finstrument-control-flow -mcet bugs

[Bug target/81652] New: [meta-bug] -finstrument-control-flow -mcet bugs

[Bug target/81654] New: Should interrupt attribute be allowed together with naked attribute?

[Bug target/81654] Should interrupt attribute be allowed together with naked attribute?

[Bug target/81662] fpatchable-function-entry requires nop, which nvptx does not have

[Bug target/81662] New: fpatchable-function-entry requires nop, which nvptx does not have

[Bug target/81663] New: nvptx and fstack-check

[Bug target/81663] nvptx and fstack-check

[Bug target/81664] __attribute__((target("movbe"))) does not work

[Bug target/81685] New: FAIL: g++.dg/debug/dwarf2/inline-ns-2.C -std=gnu++* (internal compiler error) on darwin

[Bug target/81693] FAIL: gcc.dg/torture/pr25967-*.c -O* execution test on darwin

[Bug target/81693] New: FAIL: gcc.dg/torture/pr25967-*.c -O* execution test on darwin

[Bug target/81708] New: The x86 stack canary location should be customizable

[Bug target/81708] The x86 stack canary location should be customizable

[Bug target/81709] __attribute__((interrupt)) should handle SSE registers

[Bug target/81720] [arm] Invalid code generation

[Bug target/81720] New: [arm] Invalid code generation

[Bug target/81725] New: nvptx -run: error getting kernel result: an illegal memory access was encountered

[Bug target/81726] New: nvptx-run: error getting kernel result: an illegal instruction was encountered

[Bug target/81728] New: nvptx-run: error getting kernel result: the launch timed out and was terminated

[Bug target/81729] New: [nvptx] Invalid initial value expression

[Bug target/81730] New: nvptx and finstrument-functions

[Bug target/81732] 'Error: Architecture mismatch on "rd".' in libcilkrts when compiling for sparc-linux-gnu

[Bug target/81732] Error: Architecture mismatch on "rd".

[Bug target/81733] New: stage1 libgcc_s.dylib fails to link on Darwin 11/x86_64

[Bug target/81733] stage1 libgcc_s.dylib fails to link on Darwin 11/x86_64

[Bug target/81736] New: Unnecessary save and restore frame pointer with -fno-omit-frame-pointer

[Bug target/81736] Unnecessary save and restore frame pointer with -fno-omit-frame-pointer

[Bug target/81739] Replace calls to memcmp with more efficient code if possible

[Bug target/81743] int __attribute__ ((target("arch=westmere"))) is compiled incorrectly

[Bug target/81743] New: int __attribute__ ((target("arch=westmere"))) is compiled incorrectly

[Bug target/81753] Building of cross-compiler for powerpc-darwin7 is broken

[Bug target/81753] New: Building of cross-compiler for powerpc-darwin7 is broken

[Bug target/81754] Building of cross compiler avr-elf is broken

[Bug target/81754] New: Building of cross compiler avr-elf is broken

[Bug target/81755] Building of cross compiler for powerpc-wrs-vxworksmils is broken

[Bug target/81755] New: Building of cross compiler for powerpc-wrs-vxworksmils is broken

[Bug target/81759] Improve data tracking for _pext_u64 and __builtin_ffsll

[Bug target/81763] Issues with 32bit x86 apps on GCC 7.1+

[Bug target/81763] Issues with BMI on 32bit x86 apps on GCC 7.1+

[Bug target/81766] [7/8 Regression] ICE in maybe_add_or_update_dep_1, at sched-deps.c:924 caused by r250815

[Bug target/81766] [8 Regression] ICE in maybe_add_or_update_dep_1, at sched-deps.c:924 caused by r250815

[Bug target/81766] New: [7/8 Regression] ICE in maybe_add_or_update_dep_1, at sched-deps.c:924 caused by r250815

[Bug target/81769] New: Unnecessary stack realign with -mavx

[Bug target/81780] -finstrument-control-flow -mcet is incompatible with __attribute__ ((regparm (3)))

[Bug target/81780] New: -finstrument-control-flow -mcet is incompatible with __attribute__ ((regparm (3)))

[Bug target/81793] static pie fails on powerpc-linux

[Bug target/81797] gcc 7.1.0 fails to build on macOS 10.13 (High Sierra):

[Bug target/81800] [8 regression] on aarch64 ilp32 lrint should not be inlined as two instructions

[Bug target/81800] New: [8 regression] on aarch64 ilp32 lrint should not be inlined as two instructions

[Bug target/81801] [PATCH] Difference of two pointers generates signed overflow

[Bug target/81803] [7/8 regression] miscompilation at -O1 on mips64el

[Bug target/81803] Miscompilation at -O1 on mips64el

[Bug target/81803] New: Miscompilation at -O1 on mips64el

[Bug target/81804] New: m32c ICE during configure at leaf_function_p, at final.c:4317

[Bug target/81813] Inefficient stack pointer adjustment

[Bug target/81819] [7 Regression][RX] internal compiler error: in rx_is_restricted_memory_address, at config/rx/rx.c:311

[Bug target/81820] -Os may remove debug info

[Bug target/81820] New: -Os may remove debug info

[Bug target/81821] [RX] xchg_mem<mode> uses wrong memory operand size

[Bug target/81821] New: [RX] __atomic_test_and_set overwrites adjacent memory

[Bug target/81822] New: [RX] Should implement __atomic_compare_exchange

[Bug target/81823] New: [RX] Improve support for atomics other than SImode

[Bug target/81825] New: x86_64 stack realignment code is suboptimal

[Bug target/81825] x86_64 stack realignment code is suboptimal

[Bug target/81833] [7/8 Regression] PowerPC: VSX: Miscompiles ffmpeg's scalarproduct_int16_vsx at -O1

[Bug target/81833] New: [7 Regression] PowerPC: VSX: Miscompiles ffmpeg's scalarproduct_int16_vsx at -O1

[Bug target/81843] ICE in gen_vec_cmpv2dfv2di, at config/aarch64/aarch64-simd.md:2561

[Bug target/81843] New: ICE in gen_vec_cmpv2dfv2di, at config/aarch64/aarch64-simd.md:2561

[Bug target/81850] [mingw/cygwin] -mabi=sysv ignored

[Bug target/81861] [8.0 Regression] ASan pr64820.c testcase segfaults with LTO and -fstack-protector-strong

[Bug target/81863] [7 regression] -mword-relocations is unreliable

[Bug target/81863] New: [7 regression] -mword-relocations is unreliable

[Bug target/81872] Enable __float128 by default on PowerPC Linux systems

[Bug target/81872] New: Enable __float128 by default on PowerPC Linux systems

[Bug target/81874] internal compiler error: in do_SUBST, at combine.c:725

[Bug target/81879] Bad compilation of small program if LTO is used

[Bug target/81894] Typo in x86 built-in function list

[Bug target/81904] FMA and addsub instructions

[Bug target/81904] New: FMA and addsub instructions

[Bug target/81906] [7/8 Regression] Calls to rint() wrongly optimized away starting in g++ 6

[Bug target/81907] memset called when it does not need to be; -mtune=cortex-a9

[Bug target/81907] undefined reference to `memset'

[Bug target/81909] [nvptx] Missing warning in gcc.dg/pr53037-{2,3}.c

[Bug target/81909] Missing warning in gcc.dg/pr53037-{2,3}.c

[Bug target/81909] New: [nvptx] Missing warning in gcc.dg/pr53037-{2,3}.c

[Bug target/81910] [avr] ICE with "address" attribute on type

[Bug target/81910] New: [avr] ICE with "address" attribute on type

[Bug target/81915] bug with thread_local inline variables

[Bug target/81921] [5/6 Regression] Fails to always-inline intrinsics with -flto

[Bug target/81921] [5/6/7 Regression] Fails to always-inline intrinsics with -flto

[Bug target/81921] [5/6/7/8 Regression] Fails to always-inline intrinsics with -flto

[Bug target/81921] New: Fails to always-inline intrinsics with -flto

[Bug target/81924] [5 Regression] ICE: in simplify_binary_operation_1, at simplify-rtx.c:3678 on powerpc64le-linux-gnu

[Bug target/81924] New: [5 Regression] ICE: in simplify_binary_operation_1, at simplify-rtx.c:3678 on powerpc64le-linux-gnu

[Bug target/81935] [8 Regression] r251260 miscompiles libstdc++ (on ppc64le)

[Bug target/81935] New: [8 Regression] r251260 miscompiles libstdc++ (on ppc64le)

[Bug target/81941] New: Rejects intrinsic use

[Bug target/81941] Rejects intrinsic use

[Bug target/81951] [7/8 Regression] ICE returning 16 byte struct on s390x with -mno-lra

[Bug target/81951] New: [7/8 Regression] ICE returning 16 byte struct on s390x with -mno-lra

[Bug target/81959] New: PowerPC __float128 optimization fails with integer PRE_INC addresses

[Bug target/81959] PowerPC __float128 optimization fails with integer PRE_INC addresses

[Bug target/81988] [7/8 Regression] invalid std instruction with odd register

[Bug target/81988] [7/8 Regression] sparc64: emits STD instruction with odd register

[Bug target/81988] New: [7/8 Regression] sparc64: emits STD instruction with odd register

[Bug target/81989] New: Should -finstrument-control-flow -mcet generate ENDBR for function with __attribute__ ((naked))?

[Bug target/81990] New: Should -finstrument-control-flow -mcet generate ENDBR for function with __attribute__ ((interrupt))?

[Bug target/81995] [8.0 Regression] gcc/reg-stack.c:2073:1: error: unrecognizable insn:

[Bug target/81996] __builtin_return_address(0) does not work on powerpc in -fPIC -fstack-protector-all mode and causes SIGSEGVs

[Bug target/82002] [8 Regression] ICE in sp_valid_at, at config/i386/i386.c:13233

[Bug target/82002] New: [8 Regression] ICE in sp_valid_at, at config/i386/i386.c:13233

[Bug target/82005] [8 regression] early lto debug creates invalid assembly on Darwin

[Bug target/82005] New: The combination of -g and -flto does not work on darwin

[Bug target/82005] The combination of -g and -flto does not work on darwin

[Bug target/82012] [8 Regression] libitm build fails for s390x-linux-gnu

[Bug target/82015] New: PowerPC should check if 2nd argument to __builtin_unpackv1ti and similar functions is 0 or 1

[Bug target/82015] PowerPC should check if 2nd argument to __builtin_unpackv1ti and similar functions is 0 or 1

[Bug target/82016] [8 regression] test case gcc.target/powerpc/float128-type-1.c fails after r251260

[Bug target/82016] New: [8 regression] test case gcc.target/powerpc/float128-type-1.c fails after r251260

[Bug target/82034] New: SMMLAR pattern not detected on ARMv7-M

[Bug target/82034] SMMLAR pattern not detected on ARMv7-M

[Bug target/82038] New: Very poor optimization of constant multiply on ARM Cortex-M7

[Bug target/82038] Very poor optimization of constant multiply on ARM Cortex-M7

[Bug target/82041] New: Windows i686 should not return float aggregates in ST0

[Bug target/82048] [7 Regression] GCC bootstrap fails in stage1 on sparc-unknown-linux-gnu

[Bug target/82048] New: [7 Regression] GCC bootstrap fails in stage1 on sparc-unknown-linux-gnu

[Bug target/82066] #pragma GCC target documentation does not say it is implemented for aarch64

[Bug target/82066] New: #pragma GCC target documentation does not say it is implemented for aarch64

[Bug testsuite/59971] multilib_flags is placed with the wrong order

[Bug testsuite/70369] [testsuite,ARM,AArch64] AdvSIMD intrinsic tests missing

[Bug testsuite/78421] [7/8 Regression] vect-strided-a-u8-i2-gap.c fails on armeb

[Bug testsuite/80546] [7/8 Regression] FAIL: gcc.target/powerpc/bool3-p[78].c scan-assembler-not

[Bug testsuite/80551] c-c++-common/tsan/race_on_mutex.c fails on powerpc

[Bug testsuite/80759] gcc.target/x86_64/abi/ms-sysv FAILs

[Bug testsuite/81056] [7/8 Regression] FAIL: 17_intro/names.cc (test for excess errors)

[Bug testsuite/81624] [8 Regression] FAIL: gcc.target/i386/pr59501-3a.c scan-assembler-not and[^\n\r]*sp

[Bug testsuite/81626] Need effective target omp_target

[Bug testsuite/81690] libgomp.c/{target-32,thread-limit-2}.c fail for nvptx: missing usleep

[Bug testsuite/81690] New: libgomp.c/{target-32,thread-limit-2}.c fail for nvptx: missing usleep

[Bug testsuite/81699] [8 regression] gcc.dg/tree-ssa/reassoc-23.c fails starting with r250853

[Bug testsuite/81699] New: [8 regression] gcc.dg/tree-ssa/reassoc-23.c fails starting with r250853

[Bug testsuite/81727] [nvptx] gcc.dg/graphite/{run-id-1,interchange-7}.c failure: not enough stack size

[Bug testsuite/81727] New: [nvptx] gcc.dg/graphite/run-id-1.c failure: not enough stack size

[Bug testsuite/81731] FAIL: gcc.dg/torture/pr78218.c: Call has wrong number of arguments

[Bug testsuite/81731] New: FAIL: gcc.dg/torture/pr78218.c: Call has wrong number of arguments

[Bug testsuite/81738] [8 Regression] gcc.dg/vect/vect-alias-check-6.c FAILs

[Bug testsuite/81784] [8 regression] gcc.dg/compare2.c fails starting with r250984

[Bug testsuite/81784] New: [8 regression] gcc.dg/compare2.c fails starting with r250984

[Bug testsuite/81792] New fails in compare2.c

[Bug testsuite/81792] New: New fails in compare2.c

[Bug testsuite/81793] gcc.dg/pie-static-[12].c FAIL

[Bug testsuite/81805] Another libgomp.c/for-5.c failure on nvptx -- illegal memory access

[Bug testsuite/81807] [8 Regression] many *.cc asan tests fail

[Bug testsuite/81807] many *.cc asan tests fail

[Bug testsuite/81807] many *.cc asan tests fail on powerpc64

[Bug testsuite/81807] New: many *.cc asan tests fail on powerpc64

[Bug testsuite/81920] Improve timing-sensitive libgomp.oacc testcases

[Bug testsuite/81920] New: Improve timing-sensitive libgomp.oacc testcases

[Bug testsuite/82006] [8 Regression] ERROR: torture-init: torture_without_loops is not empty as expected

[Bug testsuite/82006] New: [8 Regression] ERROR: torture-init: torture_without_loops is not empty as expected

[Bug translation/79595] Inconsistent grammar in diagnostic "partial specialization %q+D does not specialize"

[Bug translation/79997] simple-ssa-sprintf i18n: wrong plural form in maybe_warn

[Bug translation/79998] typo in diagnostic "specified bound %wu"

[Bug translation/80191] diagnostic placeholder "new initializer" must be marked for translation

[Bug tree-optimization/19794] [meta-bug] Jump threading related bugs

[Bug tree-optimization/23384] escaped set should be flow sensitive

[Bug tree-optimization/33562] [5/6 Regression] aggregate DSE disabled

[Bug tree-optimization/38592] eliminate some string comparisons

[Bug tree-optimization/38592] Optimize memmove / memcmp combination

[Bug tree-optimization/45397] [5/6 Regression] Issues with integer narrowing conversions

[Bug tree-optimization/46805] ICE: SIGSEGV in optab_for_tree_code (optabs.c:407) with -O -fno-tree-scev-cprop -ftree-vectorize

[Bug tree-optimization/47413] Constant Propagation and Virtual Function Tables

[Bug tree-optimization/53090] suboptimal ivopt

[Bug tree-optimization/57371] Simplify (double)i != 0

[Bug tree-optimization/61203] [5/6/7/8 Regression] g++.old-deja/g++.jason/rvalue2.C FAILs with -O2 -fno-inline

[Bug tree-optimization/62630] [5/6/7/8 Regression] gcc.dg/graphite/vect-pr43423.c XFAILed

[Bug tree-optimization/65957] Loop with if-statement yields different results for -O3 vs -O3 -fno-tree-vectorize

[Bug tree-optimization/71351] [7/8 Regression] ICE: Segmentation fault (graphite)

[Bug tree-optimization/71361] [7/8 Regression] Changes in ivopts caused perf regression on x86

[Bug tree-optimization/71625] missing strlen optimization on different array initialization style

[Bug tree-optimization/71751] [7/8 Regression] Segmentation fault in ssa_default_def

[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[Bug tree-optimization/71947] [6 Regression] x ^ y not folded to 0 if x == y by DOM

[Bug tree-optimization/78972] [5/6/7/8 Regression] poor x86 simd instruction scheduling

[Bug tree-optimization/79191] potentially truncating unsigned conversion defeats range propagation

[Bug tree-optimization/79483] [7 Regression] [graphite] ICE: verify_ssa failed (error: definition in block 31 does not dominate use in block 28)

[Bug tree-optimization/79534] [7/8 Regression] tree-ifcombine aarch64 performance regression with trunk@245151

[Bug tree-optimization/79621] Missed path isolation opportunity

[Bug tree-optimization/79987] [CHKP] ICE in gimplify_expr, at gimplify.c:12151

[Bug tree-optimization/79998] typo in diagnostic "specified bound %wu"

[Bug tree-optimization/80087] missing -Wtautological-compare with non-constant operands

[Bug tree-optimization/80213] [7/8 Regression] ICE in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c:704

[Bug tree-optimization/80512] missing -Wformat-overfow on a numbered directive with width specified by "*m$"

[Bug tree-optimization/80519] if(p)free(p) with -Os

[Bug tree-optimization/80520] [7/8 Regression] Performance regression from missing if-conversion

[Bug tree-optimization/80532] warning on pointer access after free

[Bug tree-optimization/80535] missing -Wformat-overfow on POSIX directives with the apostrophe flag

[Bug tree-optimization/80537] missing -Wformat-overflow on POSIX %C conversion specification

[Bug tree-optimization/80576] dead strcpy and strncpy followed by memset not eliminated

[Bug tree-optimization/80641] [7/8 Regression] Warning with std::vector resize in loop

[Bug tree-optimization/80726] [7/8 Regression] Destructor not inlined anymore (regression)

[Bug tree-optimization/80769] Invalid delayed string length computation in tree-ssa-strlen.c

[Bug tree-optimization/80925] [8 Regression] vect peeling failures

[Bug tree-optimization/80936] bcmp, bcopy, and bzero not declared nonnull

[Bug tree-optimization/81038] [8 regression] test case g++.dg/vect/slp-pr56812.cc fails starting with r248678

[Bug tree-optimization/81136] [8 Regression] ICE: in vect_update_misalignment_for_peel, at tree-vect-data-refs.c:910

[Bug tree-optimization/81165] [8 Regression] Regression in GCC-8.0.0's optimizer

[Bug tree-optimization/81181] [7 Regression] ICE in compute_antic, at tree-ssa-pre.c:2410

[Bug tree-optimization/81181] [7/8 Regression] ICE in compute_antic, at tree-ssa-pre.c:2410

[Bug tree-optimization/81184] [8 regression] gcc.dg/pr21643.c and gcc.dg/tree-ssa/phi-opt-11.c fail starting with r249450

[Bug tree-optimization/81240] [7/8 Regression] ICE in dfs_enumerate_from

[Bug tree-optimization/81292] [8 regression] ICE in zero_length_string, at tree-ssa-strlen.c:822

[Bug tree-optimization/81297] [8 Regression] ICE in get_single_symbol

[Bug tree-optimization/81303] [8 Regression] 410.bwaves regression caused by r249919

[Bug tree-optimization/81343] missing strlen optimization with intervening strcat of unknown strings

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

[Bug tree-optimization/81373] [7/8 Regression] Graphite ICE in ssa_default_def at gcc/tree-dfa.c:305

[Bug tree-optimization/81385] missing optimization involving strlen of arrays of known size

[Bug tree-optimization/81401] False positive sprintf warning at O2 (-Wformat-overflow)

[Bug tree-optimization/81435] missing strlen optimization for strcat past the beginning of clear array

[Bug tree-optimization/81436] missing -Wstringop-overflow on strncat to a zero-size buffer

[Bug tree-optimization/81437] missing -Wstringop-overflow reading past the end of a string

[Bug tree-optimization/81452] warn on realloc(p, 0)

[Bug tree-optimization/81454] missing strcmp optimization and warning on duplicate call with an unknown string

[Bug tree-optimization/81488] [8 Regression] gcc goes off the limits allocating memory in gimple-ssa-strength-reduction.c

[Bug tree-optimization/81503] [8 Regression] Wrong code at -O2

[Bug tree-optimization/81538] Optimization problem compiling op.c (Perl_custom_op_get_field) in perl 5.26

[Bug tree-optimization/81588] [7/8 Regression] Wrong code at -O2

[Bug tree-optimization/81620] [8 Regression] ICE in is_inv_store_elimination_chain, at tree-predcom.c:1651 with -O3

[Bug tree-optimization/81627] [8 Regression] ICE on valid code at -O3: in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c:707

[Bug tree-optimization/81633] [7/8 Regression] Incorrect floating point result with tree vectoriser

[Bug tree-optimization/81635] [8 Regression] nvptx SLP test cases regressions

[Bug tree-optimization/81637] [8 regression] compilation of 416.gamess from spec2006 fails starting with r250670

[Bug tree-optimization/81655] [7/8 Regression] new test case gcc.dg/tree-ssa/pr81588.c fails on powerpc64

[Bug tree-optimization/81655] New: [7 Regression] new test case gcc.dg/tree-ssa/pr81588.c fails on powerpc64

[Bug tree-optimization/81661] [7/8 Regression] ICE in gimplify_modify_expr, at gimplify.c:5638

[Bug tree-optimization/81661] New: [7/8 Regression] ICE in gimplify_modify_expr, at gimplify.c:5638

[Bug tree-optimization/81673] Harmful SLP vectorization

[Bug tree-optimization/81673] New: Harmful SLP vectorization

[Bug tree-optimization/81679] New: use attribute unused on function arguments as an optimization hint

[Bug tree-optimization/81679] use attribute unused on function arguments as an optimization hint

[Bug tree-optimization/81694] New: VRP optimization may introduce buffer overflow vulnerabilities into applications

[Bug tree-optimization/81694] VRP optimization may introduce buffer overflow vulnerabilities into applications

[Bug tree-optimization/81696] [5/6/7/8 Regression] ICF ICE on non-local goto

[Bug tree-optimization/81696] New: ICF ICE on non-local goto

[Bug tree-optimization/81703] memcpy folding defeats strlen optimization

[Bug tree-optimization/81703] New: memcpy folding defeats strlen optimization

[Bug tree-optimization/81704] New: strncpy folding defeats strlen optimization

[Bug tree-optimization/81704] strncpy folding defeats strlen optimization

[Bug tree-optimization/81705] New: UBSAN: yet another false positive

[Bug tree-optimization/81705] UBSAN: yet another false positive

[Bug tree-optimization/81723] [7 Regression] fortran build doesn't terminate on 64bit targets

[Bug tree-optimization/81723] [7/8 Regression] fortran build doesn't terminate on 64bit targets

[Bug tree-optimization/81738] gcc.dg/vect/vect-alias-check-6.c FAILs

[Bug tree-optimization/81738] New: gcc.dg/vect/vect-alias-check-6.c FAILs

[Bug tree-optimization/81739] New: Replace calls to memcmp with more efficient code if possible

[Bug tree-optimization/81740] [5/6/7/8 Regression] wrong code at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

[Bug tree-optimization/81741] Misoptimisation : replacing a constant field read access by a function call

[Bug tree-optimization/81744] [8 Regression] ICE: verify_ssa failed, at tree-ssa.c:1186

[Bug tree-optimization/81744] New: ICE: verify_ssa failed, at tree-ssa.c:1186

[Bug tree-optimization/81772] Compile-time snprintf optimization

[Bug tree-optimization/81776] missing sprintf optimization due to pointer escape analysis

[Bug tree-optimization/81776] New: missing sprintf optimization due to pointer escape analysis

[Bug tree-optimization/81786] New: local restricted pointer can be relied on in alias analysis

[Bug tree-optimization/81788] address of a local variable escapes too early

[Bug tree-optimization/81788] New: address of a local variable escapes too early

[Bug tree-optimization/81790] [8 Regression] ICE in vn_nary_build_or_lookup_1, at tree-ssa-sccvn.c:1738

[Bug tree-optimization/81790] New: [8 Regression] ICE in vn_nary_build_or_lookup_1, at tree-ssa-sccvn.c:1738

[Bug tree-optimization/81798] Please introduce new attribute to tell that function zeroes returned memory

[Bug tree-optimization/81799] [8 Regression] ICE on valid code at -O3: verify_gimple failed

[Bug tree-optimization/81809] missing -Wuninitialized due to alias analysis limitation

[Bug tree-optimization/81809] New: missing -Wuninitialized due to alias analysis limitation

[Bug tree-optimization/81810] New: unused strcpy to a local buffer not eliminated

[Bug tree-optimization/81810] unused strcpy to a local buffer not eliminated

[Bug tree-optimization/81811] missing -Wreturn-local-addr returning strcpy result

[Bug tree-optimization/81811] New: missing -Wreturn-local-addr returning strcpy result

[Bug tree-optimization/81814] Incorrect behaviour at -O0 (conditional operator)

[Bug tree-optimization/81814] New: Incorrect behaviour at -O0 (conditional operator)

[Bug tree-optimization/81815] Invalid conditional reduction

[Bug tree-optimization/81815] New: Invalid conditional reduction

[Bug tree-optimization/81834] loop with increment conditional on IV is not optimized out

[Bug tree-optimization/81834] New: Simple loop with single variable is not optimized out

[Bug tree-optimization/81848] New: Segmentation fault at gimple-ssa-strength-reduction.c:2356

[Bug tree-optimization/81848] Segmentation fault at gimple-ssa-strength-reduction.c:2356

[Bug tree-optimization/81849] missing -Wstringop-overflow writing to the last element of a struct

[Bug tree-optimization/81849] New: missing -Wstringop-overflow writing to the last element of a struct

[Bug tree-optimization/81861] ASan pr64820.c testcase segfaults with LTO and -fstack-protector-strong

[Bug tree-optimization/81861] New: ASan pr64820.c testcase segfaults with LTO and -fstack-protector-strong

[Bug tree-optimization/81884] [6 Regression] Invalid code generation with zero size arrays or flexible array members

[Bug tree-optimization/81884] [6/7 Regression] Invalid code generation with zero size arrays or flexible array members

[Bug tree-optimization/81884] [6/7/8 Regression] Invalid code generation with zero size arrays or flexible array members

[Bug tree-optimization/81884] Invalid code generation with zero size arrays or flexible array members

[Bug tree-optimization/81892] New: suboptimal code for a if (p) free(p) else free(p)

[Bug tree-optimization/81892] suboptimal code for a if (p) free(p) else free(p)

[Bug tree-optimization/81900] [8 Regression] GCC trunk miscompiles Perl / __sigsetjmp issue

[Bug tree-optimization/81900] GCC trunk miscompiles Perl / __sigsetjmp issue

[Bug tree-optimization/81900] New: GCC trunk miscompiles Perl / __sigsetjmp issue

[Bug tree-optimization/81913] [8 Regression] wrong code at -O1

[Bug tree-optimization/81913] New: [8 Regression] wrong code at -O1

[Bug tree-optimization/81934] New: after install of 7.2.0 the libcilkrts.la has extra quote chars in it for dependency_libs

[Bug tree-optimization/81945] [8 Regression] ICE in operator[], at vec.h:749

[Bug tree-optimization/81945] New: [8 Regression] ICE in operator[], at vec.h:749

[Bug tree-optimization/81948] New: vectorize exp2 using exp

[Bug tree-optimization/81948] vectorize exp2 using exp

[Bug tree-optimization/81949] New: DOM fails to simplify conditional

[Bug tree-optimization/81953] Code sinking increases register pressure

[Bug tree-optimization/81953] New: Code sinking results in increased use of callee saved registers

[Bug tree-optimization/81958] New: spurious -Wmaybe-uninitialized warning in gcc-8, or with -O1

[Bug tree-optimization/81977] [5/6 Regression] Issue with inline memcpy with optimizations enabled

[Bug tree-optimization/81977] [5/6/7 Regression] Issue with inline memcpy with optimizations enabled

[Bug tree-optimization/81977] [5/6/7/8 Regression] Issue with inline memcpy with optimizations enabled

[Bug tree-optimization/81982] [arm] libstdc++ miscompiled, constant propagation is broken on native arm

[Bug tree-optimization/81982] New: [arm] libstdc++ miscompiled, constant propagation is broken on native arm

[Bug tree-optimization/81987] [8 Regression] ICE in verify_ssa with -O3 -march=skylake-avx512

[Bug tree-optimization/81987] New: ICE in verify_ssa with -O3 -march=skylake-avx512

[Bug tree-optimization/82014] New: worse code emitted for a valid memove than for undefined memcpy

[Bug tree-optimization/82017] missing strlen optimization for chained mempcpy calls

[Bug tree-optimization/82017] New: missing strlen optimization for chained mempcpy calls

[Bug tree-optimization/82032] [8 Regression] ICE in try_switch_expansion, at tree-switch-conversion.c:2063

[Bug tree-optimization/82032] New: [8 Regression] ICE in try_switch_expansion, at tree-switch-conversion.c:2063

[Bug tree-optimization/82042] New: signed integer overflow in ao_ref_init_from_ptr_and_size

[Bug tree-optimization/82042] signed integer overflow in ao_ref_init_from_ptr_and_size

[Bug tree-optimization/82052] [8 Regression] ICE with "-O3 -m32" on x86_64-linux-gnu (internal compiler error: in pop_to_marker, at tree-ssa-scopedtables.c:71)

[Bug tree-optimization/82057] ICE with -fgraphite-identity

[Bug tree-optimization/82059] [8 Regression] ICE in dump_profile, at gimple-pretty-print.c:89

[Bug tree-optimization/82059] New: [8 Regression] ICE in dump_profile, at gimple-pretty-print.c:89

[Bug tree-optimization/82060] [7/8 Regression] ICE in refs_may_alias_p_1 with devirtualization enabled

[Bug tree-optimization/82060] New: [7/8 Regression] ICE in refs_may_alias_p_1 with devirtualization enabled

[Bug web/81649] New: Instrumentation Options page grammar

[Bug web/81846] ViewVC Exception

[Bug web/81894] New: Typo in x86 built-in function list

[Bug web/?????] New: Fwd: failure notice: Bugzilla down.

[Bug xml/38189] Java: set but not used local variable in tight loop

bIJbR


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