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subject index for July, 2018

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[Bug target/85910] config/aarch64/aarch64.c:15653:12: warning: duplicated ‘if’ condition

[Bug c++/86465] New: C++17 <optional> triggers: ‘<anonymous>’ may be used uninitialized in this function

[Bug c++/86465] C++17 <optional> triggers: ‘<anonymous>’ may be used uninitialized in this function

[Bug c++/86458] [8/9 Regression] ICE: tree code ‘template_parm_index’ is not supported in LTO streams

[Bug c/81577] -ftrack-macro-expansion=0 causes spurious “this ‘else’ clause does not guard” with -Wall

[Bug lto/86458] New: [8/9 Regression] ICE: tree code ‘template_parm_index’ is not supported in LTO streams

[Bug ada/86391] New: Cannot pass array as aliased formal parameter

[Bug ada/86514] [8/9 regression] wrong manipulation of 2-dimensional packed array at -O

[Bug ada/86514] New: GCC/GNAT fails to optimize access to packed array

[Bug bootstrap/11799] The toplevel should handle multi-libs.

[Bug bootstrap/12596] configure setting --with-libiconv-prefix doesn't get passed to gcc-subdir

[Bug bootstrap/21561] bootstrap build fails on biarch targets while not on the native mode

[Bug bootstrap/28472] -B$(build_tooldir)/bin/

[Bug bootstrap/30341] Makefile using mv instead of ln not working on WinXP Cygwin Bash

[Bug bootstrap/31151] During 'make bootstrap': Syntax error at line 1 : `>' is not expected

[Bug bootstrap/32556] The libgcc configuration file doesn't swap CPP when it swaps CC - use of normal value breaks make

[Bug bootstrap/33065] warning in Comparing stages 2 and 3 stage3-gcc: No such file or directory (objdir==srcdir)

[Bug bootstrap/34818] --with-gmp overrides --with-mpfr

[Bug bootstrap/37704] RFE: Need specific version of --disable-multilib

[Bug bootstrap/38667] gcc 4.3.2 build fails to create/link libgcc in SLES9 32-bit platform

[Bug bootstrap/39849] segfault for '__divtf3' during bootstrap and non-bootstrap install

[Bug bootstrap/42047] --with-gmp= include directory is used for build targets

[Bug bootstrap/5301] Cross-compiler docs problems

[Bug bootstrap/54304] linking stage picks up system mpfr instead of in-tree version

[Bug bootstrap/64919] bootstrap failure of gcc-4.9.2 on ia64-hpux in libgcc

[Bug bootstrap/68663] Build failure on AIX 7.1

[Bug bootstrap/77510] genautomata memory footprint for MIPS

[Bug bootstrap/78251] config/gettext.m4 and config/iconv.m4 contaminate CPPFLAGS

[Bug bootstrap/81397] mistakes in .opt files not detected

[Bug bootstrap/81963] ICE in stage 2 compiler while configuring libgcc in stage2, during GIMPLE pass: cfg

[Bug bootstrap/8477] autoconf script chooses wrong value for gcc_gxx_include_path

[Bug bootstrap/86162] [6 Regression] ppc64le bootstrap fails with GCC 8

[Bug bootstrap/86371] building compiler tries to look in $HOME/local/include

[Bug bootstrap/86376] recent breakage in ubsan build ?

[Bug bootstrap/86450] Bootstrap failure due to -Wabi

[Bug bootstrap/86450] New: Bootstrap failure due to -Wabi

[Bug bootstrap/86518] New: Strengthen bootstrap comparison by not enabling warnings at stage3

[Bug bootstrap/86518] Strengthen bootstrap comparison by not enabling warnings at stage3

[Bug bootstrap/86534] Linking gcc with gold fails, when libisl is under /usr/local/lib

[Bug bootstrap/86534] New: Linking gcc with gold fails, when libisl is under /usr/local/lib

[Bug bootstrap/86559] Build failure on AIX 5.3

[Bug bootstrap/9968] Prefix ending in "/" causes trouble in prefix.c

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

[Bug c++/3698] improper handling of an extern declared inline function

[Bug c++/39751] ICE in cp_lexer_new_from_tokens, at cp/parser.c:342

[Bug c++/43064] improve location and text of diagnostics in constructor initializer lists

[Bug c++/54080] [C++11] g++ crashes when compiling the following file

[Bug c++/55606] sorry, unimplemented: non-trivial designated initializers not supported

[Bug c++/57401] 'Conflicting declaration' involving using declaration and dependent name

[Bug c++/57891] No diagnostic of narrowing conversion in non-type template argument

[Bug c++/58194] [DR 1344] default argument for constructor outside of class

[Bug c++/59480] Missing error diagnostic: friend declaration specifying a default argument must be a definition

[Bug c++/60335] confused by earlier errors, bailing out

[Bug c++/61807] genautomata.c fails to compile

[Bug c++/64867] warning for passing non-POD to varargs function

[Bug c++/66586] Template backtrace is truncated/absent after 'template argument deduction/substitution failed:'

[Bug c++/67147] [concepts] ICE on checking concept with default template arguments

[Bug c++/71283] Inconsistent location for C++ warning options in the manual

[Bug c++/71605] ICE on invalid C++ code (incorrect member access): in pop_binding, at cp/name-lookup.c:368

[Bug c++/77456] Suboptimal code when returning a string generated with a constexpr fn at compile time

[Bug c++/78173] Hard error subtracting pointers to incomplete type in SFINAE context

[Bug c++/79133] lambda capture shadowing parameter & decltype confusion

[Bug c++/79736] [5 Regression] Please submit a full bug report: unable to create precompiled headers

[Bug c++/81513] __has_cpp_attribute returns non-zero in C++03 mode, but attributes don't work

[Bug c++/82643] lambda capture breaks constexpr-ness of non-static const constexpr member call on non-constexpr value/variable

[Bug c++/82711] -Wignored-qualifiers could be moved into -Wextra

[Bug c++/84306] Wrong overload selected with -std=c++17, explicit and {}

[Bug c++/84464] Pack expansion in mem-initializer-list with expression-list

[Bug c++/84589] Failure to diagnose conflicting declaration of struct

[Bug c++/84611] [6/7 Regression] ICE in operator[], at vec.h:826 (local_class_index())

[Bug c++/84630] [6/7 Regression] ICE: TYPE_NAME() used on error_mark_node in tsubst_lambda_expr, at cp/pt.c:17141

[Bug c++/84633] internal compiler error: in lvalue_kind, at cp/tree.c:206

[Bug c++/84652] internal compiler error: in cp_parser_template_id, at cp/parser.c:15860

[Bug c++/84653] internal compiler error: Segmentation fault (prep_operand)

[Bug c++/84730] internal compiler error: Segmentation fault (build_class_member_access_expr)

[Bug c++/84733] [8/9 Regression] internal compiler error: Segmentation fault (check_local_shadow())

[Bug c++/84893] Rejects a valid code with variadic function template taking a function pointer

[Bug c++/84993] Combination of fieldnames and accessor suggestions for misspelled private fields

[Bug c++/85014] [6/7/8/9 Regression] internal compiler error: in lookup_base, at cp/search.c:185

[Bug c++/85155] Suboptimal error messages when using noexcept(false) on defaulted dtor

[Bug c++/85558] ICE in make_rtl_for_nonlocal_decl when using static member of template class

[Bug c++/85569] [8/9 Regression] is_invocable(F, decltype(objs)...) fails with "not supported by dump_expr#" unless via indirection

[Bug c++/85842] [8/9 Regression] Bogus -Wreturn-type with generic lambda and constexpr if

[Bug c++/86082] user-defined literals are not converted to the execution charset

[Bug c++/86183] Scoped enumeration instantiated even if not required

[Bug c++/86190] [6/7/8 Regression] -Wsign-conversion ignores explicit conversion in some cases

[Bug c++/86190] [6/7/8/9 Regression] -Wsign-conversion ignores explicit conversion in some cases

[Bug c++/86201] ICE: Error reporting routines re-entered

[Bug c++/86208] [6/7 Regression] improper handling of an extern declared inline function

[Bug c++/86208] [6/7/8/9 Regression] improper handling of an extern declared inline function

[Bug c++/86216] g++ ICE on valid code: verify_ssa failed

[Bug c++/86243] unknown attribute before throw causes hard error

[Bug c++/86250] addition of default argument on redeclaration makes this constructor a default constructor

[Bug c++/86255] addition of default argument on redeclaration makes this constructor a default constructor

[Bug c++/86354] Address comparison not a constant expression

[Bug c++/86361] Compilation failed while other compiler(clang) able to compile code in question

[Bug c++/86368] an unknown [[attribute]] should not trigger a warning in C++17

[Bug c++/86369] constexpr const char* comparison fails

[Bug c++/86370] New: try/catch exception in thread cause segmentation fault

[Bug c++/86370] try/catch exception in thread cause segmentation fault

[Bug c++/86373] New: Destructor shall not be instantiated in C++17 mode for prvalue

[Bug c++/86374] [8/9 regression] template member name lookup problem

[Bug c++/86374] New: [8 regression] template member name lookup problem

[Bug c++/86375] New: Lambda call in template parameter causes compile time error

[Bug c++/86378] [7/8/9 regression] typedef breaks functional cast in noexcept-qualifier

[Bug c++/86378] New: [7/8/9 regression] typedef breaks functional cast in noexcept-qualifier

[Bug c++/86379] [8/9 Regression] Class member access of |using|'d field goes horribly awry in presence of templates

[Bug c++/86379] New: Class member access of |using|'d field goes horribly awry in presence of templates

[Bug c++/86384] New: Scoped enumeration instantiated even if not required

[Bug c++/86384] Scoped enumeration instantiated even if not required

[Bug c++/86385] calling wrong constructors?

[Bug c++/86385] New: calling wrong constructors?

[Bug c++/86392] New: templatized friend member function needs declaration

[Bug c++/86392] templatized friend member function needs declaration

[Bug c++/86397] [7/8/9 Regression] g++ ICE at on valid code in nothrow_spec_p, at cp/except.c:1158

[Bug c++/86397] New: g++ ICE at on valid code in nothrow_spec_p, at cp/except.c:1158

[Bug c++/86398] is_trivially_constructible always returns true even when is_constructible returns false

[Bug c++/86398] New: is_trivially_constructible always returns true even when is_constructible returns false

[Bug c++/86400] [8/9 regression] set<string>::set<char (*)[2]) constructor does not work with array argument

[Bug c++/86400] New: [8 regression] set<string>::set<char (*)[2]) constructor does not work with array argument

[Bug c++/86403] Deduction guides not supported in local classes

[Bug c++/86403] New: Deduction guides not supported in local classes

[Bug c++/86422] G++ ICE(segmentation fault) when compiling a huge static array of sufficiently complex structs

[Bug c++/86422] New: G++ ICE(segmentation fault) when compiling a huge static array of sufficiently complex structs

[Bug c++/86426] g++ ICE at on valid code in tree_operand_check, at tree.h:3615

[Bug c++/86426] New: g++ ICE at on valid code in tree_operand_check, at tree.h:3615

[Bug c++/86429] [8/9 Regression] lambda capture breaks constexpr-ness

[Bug c++/86429] New: lambda capture breaks constexpr-ness

[Bug c++/86430] New: ambiguous overload?

[Bug c++/86431] Legal code?

[Bug c++/86431] New: Legal code?

[Bug c++/86432] New: ICE on capture VLA by reference

[Bug c++/86436] New: IPA-ICF: miissed optimization at class template member functions

[Bug c++/86439] New: CTAD with deleted copy constructor fails due to deduction-guide taking by value

[Bug c++/86440] -Wignored-qualifiers diagnostic highlights wrong token with pointer

[Bug c++/86440] New: -Wignored-qualifiers diagnostic highlights wrong token with pointer

[Bug c++/86441] instantiate_class_template() unable to re-execute constexpr function

[Bug c++/86441] New: instantiate_class_template() unable to re-execute constexpr function

[Bug c++/86443] ICEs on #pragma omp distribute parallel for with class iterators

[Bug c++/86443] New: ICEs on #pragma omp distribute parallel for with class iterators

[Bug c++/86464] Delegating constructor causes error if parameter has same name as class

[Bug c++/86464] New: Delegating constructor causes error if parameter has same name as class

[Bug c++/86469] Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

[Bug c++/86469] New: Dwarf Error: Offset (1678049557) greater than or equal to .debug_str size (5846).

[Bug c++/86473] a problem in member lookup?

[Bug c++/86473] New: a problem in member lookup?

[Bug c++/86474] a problem in member lookup?

[Bug c++/86474] New: a problem in member lookup?

[Bug c++/86475] New: CWG 1550

[Bug c++/86476] New: Members declared later in a class appear to be unavailable

[Bug c++/86477] failure binding reference to vector element

[Bug c++/86477] New: failure binding reference to vector element

[Bug c++/86478] New: Crashed on legal code

[Bug c++/86480] [8 Regression] error: parameter packs not expanded with '...' in a recursive variadic lambda

[Bug c++/86480] [8/9 Regression] error: parameter packs not expanded with '...' in a recursive variadic lambda

[Bug c++/86480] New: [8 Regression] error: parameter packs not expanded with '...' in a recursive variadic lambda

[Bug c++/86482] arm vector instruction requiring allignment uses non alligned input

[Bug c++/86482] New: arm vector instruction requiring allignment uses non alligned input

[Bug c++/86483] alloc_size attribute does not work on functions returning a struct that contains the pointer

[Bug c++/86483] New: alloc_size attribute does not work on functions returning a struct that contains the pointer

[Bug c++/86485] [7/8/9 Regression] "anonymous" maybe-uninitialized false positive with ternary operator

[Bug c++/86485] New: [ 7 regression] "anonymous" maybe-uninitialized false positive with ternary operator

[Bug c++/86488] malloc attribute when pointer is returned as part of a struct

[Bug c++/86488] New: malloc attribute when pointer is returned as part of a struct

[Bug c++/86491] bogus and unsuppressible warning: 'YYY' has a base 'ZZZ' whose type uses the anonymous namespace

[Bug c++/86491] New: bogus and unsuppressible warning: 'YYY' has a base 'ZZZ' whose type uses the anonymous namespace

[Bug c++/86493] New: [concepts] Hard error for "call to non-'constexpr' function" in a requires expression

[Bug c++/86494] New: Usage in unevaluated context causes compile time errors because of implicit deletion

[Bug c++/86495] [8/9 Regression] false no return statement warning in "if constexpr" branch

[Bug c++/86495] New: false no return statement warning in "if constexpr" branch

[Bug c++/86497] New: Regression for x!=x

[Bug c++/86498] g++ allows conversion from string literal to non-const char* in C++11 mode

[Bug c++/86498] New: g++ allows conversion from string literal to non-const char* in C++11 mode

[Bug c++/86499] lambda-expressions with capture-default are allowed at namespace scope

[Bug c++/86499] New: lambda-expressions with capture-default are allowed at namespace scope

[Bug c++/86500] accepts-invalid with :: before decltype

[Bug c++/86500] New: accepts-invalid with :: before decltype

[Bug c++/86501] New: shadow template parameter

[Bug c++/86502] friend declaration specifying a default argument must be a definition

[Bug c++/86502] New: friend declaration specifying a default argument must be a definition

[Bug c++/86503] New: Segmentation fault signal terminated

[Bug c++/86503] Segmentation fault signal terminated

[Bug c++/86515] New: std::initializer_list constructor is not a constant expression

[Bug c++/86515] std::initializer_list constructor is not a constant expression

[Bug c++/86521] [8/9 Regression] GCC 8 selects incorrect overload of ref-qualified conversion operator template

[Bug c++/86521] New: GCC 8 selects incorrect overload of ref-qualified conversion operator template

[Bug c++/86522] gcc-7.3.0 on x86-only fails to compile mariadb/mysql: error: unsupported size for integer register

[Bug c++/86522] New: gcc-7.3.0 on x86-only fails to compile mariadb/mysql: error: unsupported size for integer register

[Bug c++/86524] [8/9 Regression] std::less with pointer arguments not usable in static_assert in constexpr function

[Bug c++/86524] New: std::less with pointer arguments not usable in static_assert in constexpr function

[Bug c++/86533] [9.0 regression] Compile error on valid code: error: no matching function for call to 'std::allocator<double*>::allocator(const _Tp_alloc_type&)' { return _Map_alloc_type(_M_get_Tp_allocator());

[Bug c++/86533] New: [9.0 regression] Compile error on valid code: error: no matching function for call to 'std::allocator<double*>::allocator(const _Tp_alloc_type&)' { return _Map_alloc_type(_M_get_Tp_allocator());

[Bug c++/86546] ICE on invalid: tree_class_check_failed()

[Bug c++/86546] New: ICE on invalid: tree_class_check_failed()

[Bug c++/86548] New: GCC could tmp file /tmp/ccDxn2Yd.ltrans0.ltrans.o could be based on the compiled file name

[Bug c++/86550] Lambda parsing allows arbitrary types in decl-specifier-seq

[Bug c++/86550] New: Lambda parsing allows arbitrary types in decl-specifier-seq

[Bug c++/86556] <random>, most vexing parse, and diagnostic output

[Bug c++/86556] New: <random>, most vexing parse, and diagnostic output

[Bug c++/86557] New: missed vectorization with std::vector compared to icc 18

[Bug c++/86558] ICE on template code

[Bug c++/86558] New: ICE on template code

[Bug c++/86561] a function definition must occur in a standalone declaration

[Bug c++/86561] New: a function definition must occur in a standalone declaration

[Bug c++/86562] Missing warning (error in C++11) for passing nontrivial object to varargs function via function pointer

[Bug c++/86562] New: Missing warning (error in C++11) for passing nontrivial object to varargs function via function pointer

[Bug c++/86563] catch reference to incomplete type

[Bug c++/86563] New: catch reference to incomplete type

[Bug c++/86564] New: Declaration containing qualified-id interpreted as function-style cast

[Bug c++/86565] New: failing to instantiate all of a local class

[Bug c++/86567] [8/9 Regression] -Wnonnull/-Wformat/-Wrestrict affect code generation

[Bug c++/86567] New: [8/9 Regression] -Wnonnull/-Wformat/-Wrestrict affect code generation

[Bug c++/86568] New: -Wnonnull warnings should highlight the relevant argument not the closing parenthesis

[Bug c++/86569] -Wnonnull-compare affects code generation

[Bug c++/86569] [6/7/8/9 Regression] -Wnonnull-compare affects code generation since r233684

[Bug c++/86569] New: -Wnonnull-compare affects code generation

[Bug c++/86573] Failure to optimise passing simple values to inlined function

[Bug c++/86573] New: Failure to optimise passing simple values to inlined function

[Bug c++/86574] ICE on std::prev with ranges::view::transform

[Bug c++/86574] New: ICE on std::prev with ranges::view::transform

[Bug c++/86577] New: non-ADL name lookup for operator<< at instantiation time?

[Bug c++/86578] New: requested alignment is dependent but declaration is not dependent

[Bug c++/86578] requested alignment is dependent but declaration is not dependent

[Bug c++/86579] New: invalid operands to binary expression

[Bug c++/86580] New: No warning for default arguments

[Bug c++/86580] No warning for default arguments

[Bug c++/86581] constexpr variable is not checked

[Bug c++/86581] New: constexpr variable is not checked

[Bug c++/86583] [DR 1854] exception specification of explicitly defaulted destructor does not match the calculated one

[Bug c++/86583] New: exception specification of explicitly defaulted destructor does not match the calculated one

[Bug c++/86586] [6/7/8/9 Regression] -Wsign-compare affects code generation

[Bug c++/86586] New: [6/7/8/9 Regression] -Wsign-compare affects code generation

[Bug c++/86588] New: peculiar build issue using range-v3

[Bug c++/86588] peculiar build issue using range-v3

[Bug c++/86590] Codegen is poor when passing std::string by value with _GLIBCXX_EXTERN_TEMPLATE undefined

[Bug c++/86590] Codegen regression when passing std::string by value in C++ 17 and C++ 20

[Bug c++/86590] New: Codegen regression when passing std::string by value in C++ 17 and C++ 20

[Bug c++/86594] New: Crash on trying to capture 'this' in instantiation of generic lambda

[Bug c++/86596] narrowing for template arugments not rejected

[Bug c++/86596] New: non-type template argument evaluates to an integer

[Bug c++/86598] Incorrect lexing of pp-numbers in C++11 due to hexfloat extension

[Bug c++/86598] New: Incorrect lexing of pp-numbers in C++11 due to hexfloat extension

[Bug c++/86600] Class declaration in the same declarative region as using declaration - Missing diagnostic message

[Bug c++/86600] New: Class declaration in the same declarative region as using declaration - Missing diagnostic message

[Bug c++/86601] g++ accepts 'friend' at ill-formed positions in the decl-specifier-seq

[Bug c++/86601] New: g++ accepts 'friend' at ill-formed positions in the decl-specifier-seq

[Bug c++/86602] need to check for a placeholder in argument to noexcept

[Bug c++/86602] New: need to check for a placeholder in argument to noexcept

[Bug c++/86605] New: Suboptimal code for pointer arithmetic with 'this'

[Bug c++/86605] Suboptimal code for pointer arithmetic with 'this'

[Bug c++/86607] New: constexpr function does not treat function pointers with external linkage as constexpr

[Bug c++/86608] New: volatile variable is taken as a constexpr

[Bug c++/86610] [8/9 Regression] non-const operator erroneously called in lambda in templated function

[Bug c++/86610] New: non-const operator erroneously called in lambda in templated function

[Bug c/39170] provide an option to silence -Wconversion warnings for bit-fields

[Bug c/53769] [C11]: Macros __STDC_NO_THREADS__ / __STDC_NO_ATOMIC__ missing.

[Bug c/60440] Bogus -Wreturn-type warning after error

[Bug c/69558] [6/7/8/9 Regression] glib2 warning pragmas stopped working

[Bug c/77817] -Wimplicit-fallthrough: cpp directive renders FALLTHRU comment ineffective

[Bug c/79412] [6/7/8/9 Regression] ICE in fold_convert_loc, at fold-const.c:2239

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

[Bug c/84100] [7 Regression] Function __attribute__((optimize(align-loops=32))) gives spurious warning and is ignored

[Bug c/86376] New: recent breakage in ubsan build ?

[Bug c/86377] extern int errno; is treated as buggy function declaration [-Werror=strict-prototypes]

[Bug c/86377] New: extern int errno; is treated as buggy function declaration [-Werror=strict-prototypes]

[Bug c/86380] New: Incorrect inequality in function chose_multiplier in file expmed.c in GCC.8.1.0 and earlier versions

[Bug c/86393] New: GCC-8 appears to not detect AVX512 on iMac Pro 2018

[Bug c/86407] Ignore function attributes in function type declarations?

[Bug c/86407] New: Ignore function attributes in function type declarations?

[Bug c/86410] Incorrect init_array ordering

[Bug c/86410] New: Incorrect init_array ordering

[Bug c/86414] New: AIX generates wrong

[Bug c/86418] New: warn about mismatch in type between argument and parameter type for declaration without prototype

[Bug c/86418] warn about mismatch in type between argument and parameter type for declaration without prototype

[Bug c/86420] [9 regression] nextafter(0x1p-1022,0) is constant folded

[Bug c/86420] New: [9 regression] nextafter(0x1p-1022,0) is constant folded

[Bug c/86451] Incorrect "is used uninitialized"

[Bug c/86451] New: Incorrect "is used uninitialized"

[Bug c/86453] [8 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

[Bug c/86453] [8/9 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

[Bug c/86460] GCC 8.1 cross-compiler fails to compile linux kernel

[Bug c/86460] New: GCC 8.1 cross-compiler fails to compile linux kernel

[Bug c/86505] New: __builtin_va_arg_pack_len() computes the number of arguments wrongly

[Bug c/86506] New: tree-vect-patterns.c:225: shift too large for type ?

[Bug c/86506] tree-vect-patterns.c:225: shift too large for type ?

[Bug c/86520] New: AArch64: Two 8-bit accesses coalesced into a single 16-bit access

[Bug c/86547] New: s390x: Maximum number of LRA assignment passes is achieved (30) when compiling a small inline assembler snippet

[Bug c/86555] New: unaligned address for ldrd/strd on armv5e

[Bug c/86559] Build failure on AIX 5.3

[Bug c/86559] New: Build failure on AIX 5.3

[Bug c/86584] New: Incorrect -Wsequence-point warning on structure member

[Bug c/86615] gcc build failure: auto-host.h error: declaration does not declare anything [-fpermissive]

[Bug c/86615] New: gcc build failure: auto-host.h error: declaration does not declare anything [-fpermissive]

[Bug c/86617] [6/7/8/9 Regression] Volatile qualifier is ignored sometimes for unsigned char

[Bug c/86617] New: Volatile qualifier is ignored sometimes for unsigned char

[Bug c/86618] New: tree-vect-stmts.c:3340: ubsan error

[Bug c/86618] tree-vect-stmts.c:3340: ubsan error

[Bug debug/78685] -Og generates too many "<optimized out>"s

[Bug debug/86064] [8/9 Regression] compiling Linux kernel: Error: can't resolve `.text.unlikely' {.text.unlikely section} - `.LVL43x' {.text section}

[Bug debug/86406] New: [8/9 Regression][UBSAN] -fcompare-debug failure with -fsanitize=undefined

[Bug debug/86413] [9 regression] gcc.dg/guality/pr48437.c fail

[Bug debug/86413] New: [9 regression] gcc.dg/guality/pr48437.c fail

[Bug debug/86452] [8 Regression] ICE in force_decl_die, at dwarf2out.c:25922 with -g1 and -flto

[Bug debug/86452] ICE in force_decl_die, at dwarf2out.c:25922 with -g1 and -flto

[Bug debug/86452] New: ICE in force_decl_die, at dwarf2out.c:25922 with -g1 and -flto

[Bug debug/86455] New: var-tracking mishandled pre_dec

[Bug debug/86455] var-tracking mishandled pre_dec

[Bug debug/86455] var-tracking mishandles pre_dec

[Bug debug/86456] [8 Regression] Segfault in switch_to_section at gcc/varasm.c:7353 since r259317

[Bug debug/86456] [8/9 Regression] Segfault in switch_to_section at gcc/varasm.c:7353 since r259317

[Bug debug/86456] New: [8/9 Regression] Segfault in switch_to_section at gcc/varasm.c:7353 since r259317

[Bug debug/86457] [8 Regression] ICE in add_dwarf_attr, at dwarf2out.c:4405 since r251448

[Bug debug/86457] [8/9 Regression] ICE in add_dwarf_attr, at dwarf2out.c:4405 since r251448

[Bug debug/86457] New: [8/9 Regression] ICE in add_dwarf_attr, at dwarf2out.c:4405 since r251448

[Bug debug/86459] [9 Regression] ICE in output_macinfo_op, at dwarf2out.c:28095 since r260297

[Bug debug/86459] New: [9 Regression] ICE in output_macinfo_op, at dwarf2out.c:28095 since r260297

[Bug debug/86462] [9 Regression] Quite huge debug info size increase introduced in r262511

[Bug debug/86462] New: [9 Regression] Quite huge debug info size increase introduced in r262511

[Bug debug/86463] Slow compile with -ggdb and optimizations

[Bug debug/86523] [9 Regression] ICE in gen_member_die, at dwarf2out.c:24933 starting from r262560

[Bug debug/86523] New: [9 Regression] ICE in gen_member_die, at dwarf2out.c:24933 starting from r262560

[Bug debug/86531] [9 regression] gcc.dg/guality/pr37726.c fail

[Bug debug/86531] New: [9 regression] gcc.dg/guality/pr37726.c fail

[Bug debug/86549] [8/9 Regression] -flto -g0 vs. -g issues

[Bug debug/86549] New: [8/9 Regression] -flto -g0 vs. -g issues

[Bug debug/86582] [debug] vla size reported as 0 at Og

[Bug debug/86582] New: [debug] vla size reported as 0 at Og

[Bug debug/86585] [9 Regression] ICE in gen_member_die, at dwarf2out.c:24935

[Bug debug/86585] New: [9 Regression] ICE in gen_member_die, at dwarf2out.c:24935

[Bug debug/86593] [8/9 Regression] internal compiler error: in based_loc_descr, at dwarf2out.c:14272

[Bug debug/86593] New: [8.0 Regression] internal compiler error: in based_loc_descr, at dwarf2out.c:14272

[Bug demangler/85304] Segmentation fault

[Bug driver/45749] Response file unwrapped between collect2.exe and ld.exe

[Bug driver/86030] specs file processing does not create response files for input directories

[Bug driver/86357] -falign-{functions,loops,jumps} incorrectly reported as disabled by -Q --help=optimizers

[Bug driver/86388] Enhancement: sort "valid arguments to '-march=' switch" suggestions alphabetically

[Bug driver/86388] New: Enhancement: sort "valid arguments to '-march=' switch" suggestions alphabetically

[Bug driver/86606] Concurrent source files do not work with --save-temps option

[Bug driver/86606] New: Concurrent source files do not work with --save-temps option

[Bug fortran/39230] ASSOCIATED & undefined pointers

[Bug fortran/45305] Array-valued calles to elementals are not simplified

[Bug fortran/48776] ICE(segfault) after -std=f95 diagnostic error involving PROCEDURE

[Bug fortran/49278] ICE (segfault) when combining DATA with default initialization

[Bug fortran/52622] heap-use-after-free with instrumented compiler

[Bug fortran/54613] [F08] Add FINDLOC plus support MAXLOC/MINLOC with KIND=/BACK=

[Bug fortran/56670] Allocatable-length character var causes bogus warning with -Wall

[Bug fortran/56670] Allocatable-length character var causes bogus warning with -Wuninitialized

[Bug fortran/57160] short-circuit IF only with -ffrontend-optimize

[Bug fortran/66679] [OOP] ICE with class(*) and transfer

[Bug fortran/69654] ICE in gfc_trans_structure_assign

[Bug fortran/77652] Invalid rank error in ASSOCIATED when rank is remapped

[Bug fortran/77703] [6/7/8/9 Regression] ICE on assignment to pointer function

[Bug fortran/79886] [6 Regression] ICE in pp_format, at pretty-print.c:681

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

[Bug fortran/82173] [meta-bug] Parameterized derived type errors

[Bug fortran/82617] Internal compiler error in expand_expr_real_1 when compiling the attached file

[Bug fortran/82721] [7/8/9 Regression] Error message with corrupted text, sometimes ICE

[Bug fortran/82865] Option -fdec collides with PDT

[Bug fortran/82969] [6/7/8/9 Regression] ICE in gfc_class_vptr_get, at fortran/trans-expr.c:211

[Bug fortran/83118] [7/8/9 Regression] Bad intrinsic assignment of class(*) array component of derived type

[Bug fortran/83183] Out of memory with option -finit-derived

[Bug fortran/83184] Out of memory or ICE with option -fdec

[Bug fortran/83192] ICE for printing derived type

[Bug fortran/84848] [8/9 Regression] FAIL: gfortran.dg/coarray/event_3.f08/9 -fcoarray=single -O2 -latomic execution test

[Bug fortran/85352] [6/7/8/9 Regression] Incorrect error diagnosed for dummy argument used in specification expression to subprogram with ENTRY

[Bug fortran/85534] allocation of array with source give shifted index

[Bug fortran/85599] warn about short-circuiting of logical expressions for non-pure functions

[Bug fortran/85855] [7/8/9 Regression] (Maybe) uninitialized descriptor fields of an allocatable array component of a function result

[Bug fortran/86167] allocation variable length character array in derived type incorrect

[Bug fortran/86220] [9 Regression] ICE in gfc_conv_structure, at fortran/trans-expr.c:7789

[Bug fortran/86242] [6/7/8/9 Regression] [OOP] ICE for derived type with allocatable component and proc-ptr component

[Bug fortran/86248] [7/8/9 Regression] LEN_TRIM in specification expression causes link failure

[Bug fortran/86262] allocation with non-parameter array expression as SOURCE sets LBOUND to 0

[Bug fortran/86268] [9.0] Error on correct code with PDTs

[Bug fortran/86277] Presence of optional arguments not recognized for zero length arrays

[Bug fortran/86312] missing runtime warning for array temporary with -fcheck=array-temps

[Bug fortran/86325] Error on valid code with pointer class components using -finit-derived

[Bug fortran/86328] [8/9 Regression] Runtime segfault reading an allocatable class(*) object in allocate statements

[Bug fortran/86330] False positive warnings about uninitialized offset/lbound/ubound when allocating on assignment

[Bug fortran/86372] [8/9 Regression] Segfault on ASSOCIATE statement with CHARACTER variable

[Bug fortran/86372] New: [8/9 Regression] Segfault on ASSOCIATE statement with CHARACTER variable

[Bug fortran/86408] [9 Regression] bogus error: ABSTRACT INTERFACE must not have an assumed character length result (F2003: C418)

[Bug fortran/86408] New: [9 Regression] bogus error: ABSTRACT INTERFACE must not have an assumed character length result (F2003: C418)

[Bug fortran/86416] [OMPVV SOLLVE] Defaultmap issues on OpenMP 4.5

[Bug fortran/86416] New: [OMPVV SOLLVE] Defaultmap issues on OpenMP 4.5

[Bug fortran/86417] [9 Regression] FAIL: libgomp.fortran/alloc-comp-3.f90 -O0 (test for excess errors)

[Bug fortran/86417] New: [9 Regression] FAIL: libgomp.fortran/alloc-comp-3.f90 -O0 (test for excess errors)

[Bug fortran/86421] New: OpenMP declare simd linear ref in module causes gfortran to bail out

[Bug fortran/86421] OpenMP declare simd linear ref in module causes gfortran to bail out

[Bug fortran/86463] New: Slow compile with -ggdb and optimizations

[Bug fortran/86468] [8/9 regression] ICE verify_gimple failed

[Bug fortran/86468] [9 regression] ICE verify_gimple failed

[Bug fortran/86468] New: [9.0 regression] ICE verify_gimple failed

[Bug fortran/86470] New: ICE with OMP

[Bug fortran/86472] New: allocatable array, bound-procedure, submodule

[Bug fortran/86481] Memory leak with nested source allocations

[Bug fortran/86481] New: Memory leak with nested source allocations

[Bug fortran/86484] New: Undefined symbol when using polymorphic intrinsic assignment

[Bug fortran/86527] New: gfortran console I/O not working

[Bug fortran/86543] [9 Regression] FAIL: gfortran.dg/dec_structure_23.f90 -O (test for errors, line 16)

[Bug fortran/86543] New: [9 Regression] FAIL: gfortran.dg/dec_structure_23.f90 -O (test for errors, line 16)

[Bug fortran/86545] [6/7/8/9 Regression] ICE in transfer_expr on invalid WRITE statement

[Bug fortran/86545] New: [6/7/8/9 Regression] ICE in transfer_expr on invalid WRITE statement

[Bug fortran/86551] [ICE] bare class and select type

[Bug fortran/86551] New: [ICE] bare class and select type

[Bug fortran/86566] New: The preprocessor cpp6 loses line concatenation on FreeBSD

[Bug fortran/86566] The preprocessor cpp6 loses line concatenation on FreeBSD

[Bug fortran/86576] New: [F03][OOP] Sourced allocation of object array fails with SEGFAULT

[Bug fortran/86587] New: Derived-type with attributes BIND(C) and PRIVATE raises an error but standard accepts it

[Bug fortran/86599] New: Problems building libgfortran from 7.2.0 on HP-UX 11.31/PA

[Bug fortran/86599] Problems building libgfortran from 7.2.0 on HP-UX 11.31/PA

[Bug gcov-profile/45582] gcda file names collision when profiling

[Bug gcov-profile/83878] Line hit counts are sometimes wrong

[Bug gcov-profile/86404] New: UNSUPPORTED gcov test results due to Permission error mapping pages

[Bug gcov-profile/86404] UNRESOLVED/UNSUPPORTED gcov test results due to Permission error mapping pages

[Bug gcov-profile/86404] UNSUPPORTED gcov test results due to Permission error mapping pages

[Bug gcov-profile/86411] New: Some lines are considered as uncoverable when using __gcov_flush

[Bug gcov-profile/86411] Some lines are considered as uncoverable when using __gcov_flush

[Bug gcov-profile/86536] Function "returned NAN %" for a simple program which forks

[Bug gcov-profile/86536] New: Function "returned NAN %" for a simple program which forks

[Bug go/46986] Go is not supported on Darwin

[Bug go/86331] the gccgo's "go" tool looks like failing to invoke any sub go command

[Bug go/86535] FreeBSD/PowerPC64 - Building Go Frontend support for gcc 7.3.0 fails

[Bug go/86535] New: FreeBSD/PowerPC64 - Building Go Frontend support for gcc 7.3.0 fails

[Bug hsa/86371] New: building compiler tries to look in $HOME/local/include

[Bug ipa/85656] gcc.dg/ipa/ipa-icf-38.c FAILs

[Bug ipa/86274] [7/8/9 Regression] SEGFAULT when logging std::to_string(NAN)

[Bug ipa/86279] [9 Regression] ICE in malloc_candidate_p, at ipa-pure-const.c:927

[Bug ipa/86323] [9 regression] internal compiler error: in estimate_edge_growth, at ipa-inline.h:85

[Bug ipa/86389] execute FAILs with -fipa-pta

[Bug ipa/86389] New: execute FAILs with -fipa-pta

[Bug ipa/86395] add support of -fopt-info-inline in early inliner

[Bug ipa/86395] New: add support of -fopt-info-inline in early inliner

[Bug ipa/86436] IPA-ICF: miissed optimization at class template member functions

[Bug ipa/86529] [9 Regression] ICE in malloc_candidate_p, at ipa-pure-const.c:962

[Bug ipa/86529] New: [9 Regression] ICE in malloc_candidate_p, at ipa-pure-const.c:962

[Bug ipa/86590] Codegen is poor when passing std::string by value with _GLIBCXX_EXTERN_TEMPLATE undefined

[Bug libgcc/62269] m32c-elf libgcc fails to configure- setjmp/longjmp exception check

[Bug libgcc/85334] Shadow stack isn't unwound properly through signal handler

[Bug libgcc/85967] [ARM] No unwinding support for division functions

[Bug libgcc/86512] New: Incorrect sub result for float subnormal inputs in armv7(with -msoft-float).

[Bug libgomp/38935] Openmp reduction with - (minus) does not produce correct result

[Bug libstdc++/58265] [lwg/2063] std::string move assignment should be noexcept

[Bug libstdc++/78870] Support std::filesystem on Windows

[Bug libstdc++/83982] [6 Regression] Exception guarantee of C++14 vector::resize(size_type) is not met

[Bug libstdc++/83982] [6/7/8/9 Regression] Exception guarantee of C++14 vector::resize(size_type) is not met

[Bug libstdc++/84087] string::assign problem with two arguments

[Bug libstdc++/84928] std::accumulate should move the accumulator argument

[Bug libstdc++/85098] undefined reference to std::regex::extended

[Bug libstdc++/85494] implementation of random_device on mingw is useless

[Bug libstdc++/85671] Lack of `std::move()` inside `operator/` for `std::filesystem::path`.

[Bug libstdc++/85831] <stdexcept> types should have move constructors and move assignment operators

[Bug libstdc++/86127] STL containers do not satisfy container.requirements.general clause 8

[Bug libstdc++/86138] [7/8 Regression] C++17: getline(istream, string) crashes on Cygwin because incompatible C++14 function is called

[Bug libstdc++/86272] [6/7/8/9 Regression] __gnu_debug::string uses undefined __glibcxx_check_insert_range2

[Bug libstdc++/86292] Missing exception safety when constructing vector from input iterator pair

[Bug libstdc++/86398] [8/9 Regression] is_trivially_constructible always returns true even when is_constructible returns false

[Bug libstdc++/86402] New: Several targets missing AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1) in crossconfig.m4

[Bug libstdc++/86409] New: std::stod fails for denormal numbers

[Bug libstdc++/86409] std::stod fails for denormal numbers

[Bug libstdc++/86419] codecvt<char16_t, ...>::in() and out() incorrectly return partial in some cases.

[Bug libstdc++/86419] New: codecvt<char16_t, ...>::in() and out() incorrectly return partial in some cases.

[Bug libstdc++/86422] G++ ICE(segmentation fault) when compiling a huge static array of sufficiently complex structs

[Bug libstdc++/86433] New: Shouldn't non const hashers also be allowed?

[Bug libstdc++/86433] Shouldn't non const hashers also be allowed?

[Bug libstdc++/86447] New: gcc 9.0 from r262456 can't build cross compiler for mingw-w64 target

[Bug libstdc++/86450] Bootstrap failure due to -Wabi

[Bug libstdc++/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

[Bug libstdc++/86471] New: GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

[Bug libstdc++/86507] New: std::filesystem not work on Windows

[Bug libstdc++/86507] std::filesystem not work on Windows

[Bug libstdc++/86513] New: ostringstream default constructor missing from libstdc++

[Bug libstdc++/86513] ostringstream default constructor missing from libstdc++

[Bug libstdc++/86516] New: Spurious warning __builtin_memset at O3 when protected by a conditional involving empty()

[Bug libstdc++/86516] Spurious warning __builtin_memset at O3 when protected by a conditional involving empty()

[Bug libstdc++/86524] [8/9 Regression] std::less with pointer arguments not usable in static_assert in constexpr function

[Bug libstdc++/86537] New: std::less specialization for std::shared_ptr

[Bug libstdc++/86537] std::less specialization for std::shared_ptr

[Bug libstdc++/86553] libstdc++-v3 build failure on AIX 5.3

[Bug libstdc++/86553] New: libstdc++-v3 build failure on AIX 5.3

[Bug libstdc++/86590] Codegen is poor when passing std::string by value with _GLIBCXX_EXTERN_TEMPLATE undefined

[Bug libstdc++/86595] directory_entry::refresh(error_code&) should be noexcept.

[Bug libstdc++/86595] New: directory_entry::refresh(error_code&) should be noexcept.

[Bug libstdc++/86597] New: directory_entry::exist et al forget to clear the error_code.

[Bug libstdc++/86603] `__cpp_lib_list_remove_return_type` misplaced in the <version> header

[Bug libstdc++/86603] New: `__cpp_lib_list_remove_return_type` misplaced in the <version> header

[Bug lto/59000] lto can't merge user-defined weak builtin functions

[Bug lto/69866] lto1: internal compiler error: in add_symbol_to_partition_1, at lto/lto-partition.c:158

[Bug lto/70955] [6 Regression] Wrong code generation for __builtin_ms_va_list with -flto

[Bug lto/83997] ICE with alias template and attribute

[Bug lto/85759] ICE output_profile_summary, at lto-cgraph.c:706 using -profile-use

[Bug lto/86004] [9 regression] Several lto test cases begin failing with r260963

[Bug lto/86175] LTO code generator does not respect ld -u option to force symbol inclusion in the link product

[Bug lto/86321] [9 Regression] ICE: in splice_child_die, at dwarf2out.c:5693 for several Fortran tests with -g -flto

[Bug lto/86344] GCC 8.1 ICEd at LTO stage

[Bug lto/86366] [9 regression] gcc.dg/profile-dir-3.c fails starting with r262251

[Bug lto/86412] lto1: internal compiler error: in lto_symtab_prevailing_virtual_decl, at lto/lto-symtab.c

[Bug lto/86412] New: lto1: internal compiler error: in lto_symtab_prevailing_virtual_decl, at lto/lto-symtab.c

[Bug lto/86442] New: Wrong error: global register variable follows a function definition when using LTO

[Bug lto/86442] Wrong error: global register variable follows a function definition when using LTO

[Bug lto/86453] [8/9 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

[Bug lto/86453] New: [8/9 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

[Bug lto/86454] New: [8/9 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

[Bug lto/86490] lto1: fatal error: multiple prevailing defs

[Bug lto/86490] New: lto1: fatal error: multiple prevailing defs

[Bug lto/86496] [9 regression] plugin required to handle lto object

[Bug lto/86496] New: [9 regression] plugin required to handle lto object

[Bug lto/86517] New: relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object with LTO

[Bug lto/86517] relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object with LTO

[Bug lto/86548] GCC could tmp file /tmp/ccDxn2Yd.ltrans0.ltrans.o could be based on the compiled file name

[Bug middle-end/44566] configuration with multiple targets / backends is not supported.

[Bug middle-end/61409] [6 regression] -Wmaybe-uninitialized false-positive with -O2

[Bug middle-end/66240] RFE: extend -falign-xyz syntax

[Bug middle-end/77357] strlen of constant strings not folded

[Bug middle-end/78809] Inline strcmp with small constant strings

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

[Bug middle-end/85504] Bogus -Wrestrict warning with -fsanitize=undefined

[Bug middle-end/85602] -Wsizeof-pointer-memaccess for strncat with size of source

[Bug middle-end/85620] Missing ENDBR after swapcontext

[Bug middle-end/85974] [8 Regression] Failure to optimize difference of two pointers into a compile time constant

[Bug middle-end/85974] [8/9 Regression] Failure to optimize difference of two pointers into a compile time constant

[Bug middle-end/86202] [8/9 Regression] ICE in get_range_info calling an invalid memcpy() declaration

[Bug middle-end/86336] [9 regression] ICE in omp-low.c:7879

[Bug middle-end/86380] incorrect comparison in function choose_multiplier

[Bug middle-end/86380] incorrect comparison in function chose_multiplier

[Bug middle-end/86380] Incorrect inequality in function chose_multiplier in file expmed.c in GCC.8.1.0 and earlier versions

[Bug middle-end/86437] New: runtime segfault on Fortran code with large array and -Ofast

[Bug middle-end/86437] runtime segfault on Fortran code with large array and -Ofast

[Bug middle-end/86453] [8/9 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

[Bug middle-end/86461] New: [9 regression] test case gcc.c-torture/execute/builtins/strlen-3.c fails starting with r262522

[Bug middle-end/86467] inlining strcmp with small known length array

[Bug middle-end/86467] New: inlining strcmp with small known length array

[Bug middle-end/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

[Bug middle-end/86505] [6/7/8/9 Regression] __builtin_va_arg_pack_len() computes the number of arguments wrongly

[Bug middle-end/86508] New: missing -Wattributes on an ignored attempt to reduce struct alignment

[Bug middle-end/86511] [9 Regression] Traps are generated for non-trapping compares

[Bug middle-end/86511] [9 Regression] Unordered comparisons are expanded with branchless code

[Bug middle-end/86511] New: Unordered comparisons are expanded with branchless code

[Bug middle-end/86511] Unordered comparisons are expanded with branchless code

[Bug middle-end/86528] [9 Regression] strlen of constant string malfunction -- had to back out fix for PR middle-end/77357

[Bug middle-end/86528] New: strlen of constant string malfunction -- had to back out fix for PR middle-end/77357

[Bug middle-end/86528] strlen of constant string malfunction -- had to back out fix for PR middle-end/77357

[Bug middle-end/86539] New: OpenMP wrong-code with taskloop and references

[Bug middle-end/86539] OpenMP wrong-code with taskloop and references

[Bug middle-end/86540] [9 Regression] pr77445-2.c and ssa-dom-thread-7.c regressions since May 20, 2018

[Bug middle-end/86540] New: pr77445-2.c and ssa-dom-thread-7.c regressions since May 20, 2018

[Bug middle-end/86542] New: wrong-code for collapsed taskloop which needs omp_cpyfn

[Bug middle-end/86542] wrong-code for collapsed taskloop which needs omp_cpyfn

[Bug middle-end/86554] [7/8/9 Regression] Incorrect code generation with signed/unsigned comparison

[Bug middle-end/86554] Incorrect code generation with signed/unsigned comparison

[Bug middle-end/86554] New: Incorrect code generation with signed/unsigned comparison

[Bug middle-end/86575] -Wimplicit-fallthrough affects code generation

[Bug middle-end/86575] [7/8/9 Regression] -Wimplicit-fallthrough affects code generation

[Bug middle-end/86575] New: -Wimplicit-fallthrough affects code generation

[Bug other/31852] Missing __builtin_memchr

[Bug other/36994] gcc/makefile contains one very long line (over 2k)

[Bug other/44209] [meta-bug] Some warnings are not linked to diagnostics options

[Bug other/70268] add option -ffile-prefix-map to map one directory name (old) to another (new) in __FILE__, __BASE_FILE__and __builtin_FILE()

[Bug other/82383] Some new toplevel directories are not documented

[Bug other/85716] No easy way for end-user to tell what GCC is doing when compilation is slow

[Bug other/86153] [9 regression] test case g++.dg/pr83239.C fails starting with r261585

[Bug other/86486] GCC 8 stack clash protection on AArch64 is incomplete

[Bug other/86486] New: GCC 8 stack clash protection on AArch64 is incomplete

[Bug preprocessor/44317] ,##__VA_ARGS__ comma not eaten with -std=c++0x

[Bug rtl-optimization/52082] Memory loads not rematerialized

[Bug rtl-optimization/63156] web can't handle AUTOINC correctly

[Bug rtl-optimization/65862] [MIPS] IRA/LRA issue: integers spilled to floating-point registers

[Bug rtl-optimization/84842] [7/8/9 Regression] ICE in verify_target_availability, at sel-sched.c:1569

[Bug rtl-optimization/85645] [7 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2348

[Bug rtl-optimization/85805] [7/8/9 Regression] Wrong code for 64 bit comparisons on avr-gcc

[Bug rtl-optimization/85805] Improper code generation for 64 bit comparisons on avr-gcc

[Bug rtl-optimization/86334] wrong code with -march=athlon -mmemcpy-strategy=libcall:-1:noalign

[Bug rtl-optimization/86438] [8/9 Regression] wrong code at -Os

[Bug rtl-optimization/86438] New: [8/9 Regression] wrong code at -Os

[Bug rtl-optimization/86463] var-tracking is slow with -ggdb and optimizations

[Bug rtl-optimization/86525] [missed-optimization] extraneous instruction emitted in switch converted to look-uptable load

[Bug sanitizer/81923] [ASAN] gcc emites wrong odr asan instrumentation for glibc

[Bug sanitizer/84250] Symbol collision when using both Address and Undefined Behavior sanitizers (-fsanitize=address,undefined)

[Bug sanitizer/86022] TCB size calculated in ThreadDescriptorSize() is wrong for glibc-2.14

[Bug sanitizer/86406] [8/9 Regression][UBSAN] -fcompare-debug failure with -fsanitize=undefined

[Bug target/15896] Strange behaviour for inline assembler input constraint

[Bug target/34777] uClibc-0.9.29 compilation error for sh4 arch with gcc-4.x

[Bug target/45996] -falign-functions=X does not work

[Bug target/49263] SH Target: underutilized "TST #imm, R0" instruction

[Bug target/50928] m32c ICE building RTEMS

[Bug target/51797] Arm backend missed the mls related optimization

[Bug target/57054] Compilation with -O3 passes, with -O2 fails (ARM/NEON)

[Bug target/58489] ICE: in reload_cse_simplify_operands, at postreload.c:411

[Bug target/63683] m32c-rtems ICE unable to find spill register compiling libgcc

[Bug target/69038] compilation error: unable to find a register to spill in class 'FP_REGS'

[Bug target/69179] undocumented darwin attributes "apple_kext_compatibility" and "weak_import"

[Bug target/69401] gcc 5.3.0/6.1.0 on microblaze: internal compiler error: in gen_reg_rtx, at emit-rtl.c:1027

[Bug target/71045] [SH] gcc.dg/torture/pr68264.c -O0 and -Os failures

[Bug target/72802] powerpc64le: -mcpu=power9 emits lxssp instruction with offset that isn't a multiple of 4

[Bug target/81084] [8 Regression] powerpcspe port full of confusing configury / command-line options not related to SPE

[Bug target/81283] Quirks around 32-bit PowerPC built-in Atomics

[Bug target/81497] [7 Regression] error compiling arm_acle.h

[Bug target/81652] [meta-bug] -fcf-protection=full bugs

[Bug target/81685] [7/8/9 Regression] FAIL: g++.dg/debug/dwarf2/inline-ns-2.C -std=gnu++* (internal compiler error) on darwin

[Bug target/82092] [8/9 regression] gcc fails to link genmodes on darwin (cfiStartsArray[i] != cfiStartsArray[i-1])

[Bug target/82418] Division on a constant is suboptimal because of not using imul instruction

[Bug target/83009] gcc.target/aarch64/store_v2vec_lanes.c fails with -mabi=ilp32

[Bug target/83562] broken destructors of thread_local objects on i686 mingw targets

[Bug target/83868] i386: Clean up thunk function generation

[Bug target/84168] Please backport "Avoid assembler warnings from AArch64 constructor/destructor priorities."

[Bug target/84266] mmintrin.h intrinsic headers for PowerPC code fails on power9

[Bug target/84413] [8/9 Regression] -mtune=skylake,skylake-avx512,cannonlake,icelake disable many optimizations

[Bug target/84711] AArch32 big-endian fails when taking subreg of a vector mode to a scalar mode.

[Bug target/84829] -mieee-fp causes to link with -lieee but that is no longer available

[Bug target/85434] Address of stack protector guard spilled to stack on ARM

[Bug target/85593] [6/7/8/9 Regression] GCC on ARM allocates R3 for local variable when calling naked function with O2 optimizations enabled

[Bug target/85624] ICE when initializing array that is 128-byte aligned

[Bug target/85854] Performance regression from gcc 4.9.2

[Bug target/85894] PPC64LE alloca stack slot allocation allows memset to destroy the stack

[Bug target/85904] [7/8 Regression] configure issue cross compiling on netbsd, with patch

[Bug target/85993] config/sh/sh.c:10878: suspicious if .. else chain

[Bug target/86040] [avr]: RAMPZ is not always cleared after loading __flashN data

[Bug target/86209] Peephole does not happen because the type of zero/sign extended operands is not the same.

[Bug target/86285] We don't mangle __ieee128 correctly using -mlong-double-64 -mabi=ieeelongdouble

[Bug target/86324] testsuite test divkc3-1.c FAILs when compiling with -mabi=ieeelongdouble

[Bug target/86340] GCC 8.1 produces broken code for m68k with optimization levels above -O1

[Bug target/86381] New: Configuration powerpc-unknown-linux-gnu_paired not supported

[Bug target/86382] Configuration powerpc-unknown-linux-gnu_paired not supported

[Bug target/86382] New: Configuration powerpc-unknown-linux-gnu_paired not supported

[Bug target/86383] [9 Regression] arm-netbsdelf cross compiler fails in selftests

[Bug target/86383] arm-netbsdelf cross compiler fails in selftests

[Bug target/86383] New: arm-netbsdelf cross compiler fails in selftests

[Bug target/86386] [8/9 Regression] unaligned load from stack with -Os -fno-tree-dce -mstringop-strategy=vector_loop -mavx512bw

[Bug target/86386] New: [8/9 Regression] unaligned load from stack with -Os -fno-tree-dce -mstringop-strategy=vector_loop -mavx512bw

[Bug target/86387] [RISCV][ABI] GCC fails to sign/zero-ext integers as necessary for passing/returning int+fp structs on hard-float ABIs

[Bug target/86387] [RISCV][ABI] GCC fails to sign/zero-ext integers as necessary for passing/returning int+fp structs on with hard-float ABIs

[Bug target/86387] New: [RISCV][ABI] GCC fails to sign/zero-ext integers as necessary for return of int+fp structs in with hard-float ABIs

[Bug target/86388] Enhancement: sort "valid arguments to '-march=' switch" suggestions alphabetically

[Bug target/86390] ICE in output_branch, at config/sh/sh.c:2740 for sh-linux

[Bug target/86390] New: ICE in output_branch, at config/sh/sh.c:2740 for sh-linux

[Bug target/86393] GCC-8 appears to not detect AVX512 on iMac Pro 2018

[Bug target/86394] Broken -falign-functions=512 on m68k

[Bug target/86394] New: Broken -falign-functions=512 on m68k

[Bug target/86399] gcc 9.0 from r262251 can't be build for Windows/mingw-w64 target

[Bug target/86399] New: gcc 9.0 from r262251 can't be build for Windows/mingw-w64 target

[Bug target/86414] AIX generates wrong for divide and multiply for KC mode

[Bug target/86423] New: Omnetpp is slower on PowerPC using -ffast-math than not using -ffast-math

[Bug target/86424] New: Milc is slower on PowerPC using -ffast-math than without using -ffast-math

[Bug target/86425] New: Spec 2006 soplex seems to be slower on PowerPC using -ffast-math than without -ffast-math

[Bug target/86425] Spec 2006 soplex seems to be slower on PowerPC using -ffast-math than without -ffast-math

[Bug target/86444] New: [X86] Implementation of SSE comi/ucomi intrinsics does not match recent versions of icc, clang, or MSVC

[Bug target/86448] New: GCC 9 compiler generates slower code for spec 2006 milc on a power9 using -mcpu=power9 than using -mcpu=power8

[Bug target/86449] New: GCC 8 compiler generates slower code for spec 2006 calculix on a power9 using -mcpu=power9 than using -mcpu=power8

[Bug target/86466] New: [X86] gcc checks the range of the immediate to _mm_blend_ps, but not _mm_blend_epi32

[Bug target/86487] [7/8/9 Regression] insn does not satisfy its constraints on arm big-endian

[Bug target/86487] New: [7/8/9 Regression] insn does not satisfy its constraints on arm big-endian

[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x

[Bug target/86525] New: [missed-optimization] extraneous instruction emitted in switch converted to look-uptable load

[Bug target/86538] GCC should define a macro to specify if LSE is enabled or not

[Bug target/86538] New: GCC should define a macro to specify if LSE is enabled or not

[Bug target/86541] New: Use SSE to emulate __attribute__((vector_size(8)))

[Bug target/86541] Use SSE to emulate __attribute__((vector_size(8)))

[Bug target/86547] s390x: Maximum number of LRA assignment passes is achieved (30) when compiling a small inline assembler snippet

[Bug target/86555] unaligned address for ldrd/strd on armv5e

[Bug target/86557] missed vectorization with std::vector compared to icc 18

[Bug target/86560] FAIL: c-c++-common/asan/swapcontext-test-1.c

[Bug target/86560] New: FAIL: c-c++-common/asan/swapcontext-test-1.c

[Bug target/86589] [8 regression] gcc.target/powerpc/altivec-7-le.c and gcc.target/powerpc/vsx-7-be.c fail starting with r262440

[Bug target/86589] New: [8 regression] gcc.target/powerpc/altivec-7-le.c and gcc.target/powerpc/vsx-7-be.c fail starting with r262440

[Bug target/86591] [9 regression] gcc.target/powerpc/builtins-1.c fails starting with r261904

[Bug target/86591] New: [9 regression] gcc.target/powerpc/builtins-1.c fails starting with r261904

[Bug target/86592] [9 regression] gcc.target/powerpc/p8-vec-xl-xst-v2.c fails starting with r261510

[Bug target/86592] New: [9 regression] gcc.target/powerpc/p8-vec-xl-xst-v2.c fails starting with r261510

[Bug target/86612] New: __strdup problem on power 9

[Bug testsuite/78544] FAIL: gcc.dg/tree-prof/section-attr-*.c compilation, -fprofile-generate -D_PROFILE_GENERATE on darwin

[Bug testsuite/86366] [9 regression] gcc.dg/profile-dir-3.c fails starting with r262251

[Bug testsuite/86405] New: UNRESOLVED bb-slp-over-widen-1.c and -2.c

[Bug testsuite/86405] UNRESOLVED bb-slp-over-widen-1.c and -2.c

[Bug testsuite/86445] [9 regression] Missing warning for test case gcc/testsuite/gcc.dg/pr84100.c starting with r262513

[Bug testsuite/86445] New: [9 regression] Missing warning for test case gcc/testsuite/gcc.dg/pr84100.c starting with r262513

[Bug testsuite/86446] 'gmake check-fortran' broken in libgomp

[Bug testsuite/86446] New: 'gmake check-fortran' broken in libgomp

[Bug testsuite/86461] [9 regression] test case gcc.c-torture/execute/builtins/strlen-3.c fails starting with r262522

[Bug testsuite/86510] [9 regression] test case g++.dg/warn/pr86453.C fails starting with r262596

[Bug testsuite/86510] New: [9 regression] test case g++.dg/warn/pr86453.C fails starting with r262596

[Bug testsuite/86519] [9 Regression] New test case gcc.dg/strcmpopt_6.c fails with its introduction in r262636

[Bug testsuite/86519] New test case gcc.dg/strcmpopt_6.c fails with its introduction in r262636

[Bug testsuite/86519] New: New test case gcc.dg/strcmpopt_6.c fails with its introduction in r262636

[Bug testsuite/86616] [9 regression] c-c++-common/Warray-bounds-2.c fails starting with r262893

[Bug testsuite/86616] New: [9 regression] c-c++-common/Warray-bounds-2.c fails starting with r262893

[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

[Bug tree-optimization/56456] [meta-bug] bogus/missing -Warray-bounds

[Bug tree-optimization/56572] GCC generates non-optimal transactional code when inlining nested transaction.

[Bug tree-optimization/59859] [meta-bug] GRAPHITE issues

[Bug tree-optimization/67153] [6/7/8/9 Regression] integer optimizations 53% slower than std::bitset<>

[Bug tree-optimization/68356] FAIL: gcc.dg/torture/pr68264.c -O* execution test on x86_64-apple-darwin1(0|4)

[Bug tree-optimization/80122] __builtin_va_arg_pack() and __builtin_va_arg_pack_len() does not work correctly

[Bug tree-optimization/80155] [7/8/9 regression] Performance regression with code hoisting enabled

[Bug tree-optimization/80641] missed optimization with with std::vector resize in loop

[Bug tree-optimization/83693] missing strlen optimization for array of arrays

[Bug tree-optimization/83776] [6/7/8 Regression] missing -Warray-bounds indexing past the end of a string literal

[Bug tree-optimization/83776] [6/7/8/9 Regression] missing -Warray-bounds indexing past the end of a string literal

[Bug tree-optimization/83819] [meta-bug] missing strlen optimizations

[Bug tree-optimization/84047] [6/7/8 Regression] missing -Warray-bounds on an out-of-bounds index into an array

[Bug tree-optimization/84047] [6/7/8/9 Regression] missing -Warray-bounds on an out-of-bounds index into an array

[Bug tree-optimization/84362] [7/8/9 Regression] Auto-vectorization regression when accessing member variable through getter/accessor

[Bug tree-optimization/85694] Generation of vectorized AVG (Average) instruction

[Bug tree-optimization/85804] [8/9 Regression][AArch64] Mis-compilation of loop with strided array access and xor reduction

[Bug tree-optimization/85935] [8 Regression] [graphite] ICE in extract_affine, at graphite-sese-to-poly.c:287

[Bug tree-optimization/86010] [7/8/9 Regression] redundant memset with smaller size not eliminated

[Bug tree-optimization/86076] [7/8 Regression] ICE: verify_gimple failed (error: location references block not in block tree)

[Bug tree-optimization/86153] [8/9 regression] test case g++.dg/pr83239.C fails starting with r261585

[Bug tree-optimization/86214] [8/9 Regression] Strongly increased stack usage

[Bug tree-optimization/86259] [8/9 Regression] min(4, strlen(s)) optimized to strlen(s) with -flto

[Bug tree-optimization/86274] [7 Regression] SEGFAULT when logging std::to_string(NAN)

[Bug tree-optimization/86274] [7/8 Regression] SEGFAULT when logging std::to_string(NAN)

[Bug tree-optimization/86274] [7/8/9 Regression] SEGFAULT when logging std::to_string(NAN)

[Bug tree-optimization/86363] [9 Regression] wrong code with __builtin_memset() at -O1

[Bug tree-optimization/86367] FRE1 tree pass deletes code in gcc.target/powerpc/nan128-1.c when long double is IEEE 128

[Bug tree-optimization/86396] fold calls to strtod() into constants where possible

[Bug tree-optimization/86396] New: fold calls to strtod() into constants where possible

[Bug tree-optimization/86400] [8/9 regression] set<string>::set<char (*)[2]) constructor does not work with array argument

[Bug tree-optimization/86400] set<string>::set<char (*)[2]) constructor does not work with array argument

[Bug tree-optimization/86401] New: The "For constants M and N, if M == (1LL << cst) - 1 && (N & M) == M,..." opts are only in fold-const.c and in RTL

[Bug tree-optimization/86401] The "For constants M and N, if M == (1LL << cst) - 1 && (N & M) == M,..." opts are only in fold-const.c and in RTL

[Bug tree-optimization/86415] New: TREE_STRING_LENGTH incorrect for constant arrays

[Bug tree-optimization/86415] strlen() not folded for substrings within constant arrays

[Bug tree-optimization/86427] New: strlen not folded after strcpy into a zeroed-out local array

[Bug tree-optimization/86428] New: strlen of const array initialized with a string of the same length not folded

[Bug tree-optimization/86428] strlen of const array initialized with a string of the same length not folded

[Bug tree-optimization/86434] early string folding defeats strlen optimization and -Warray-bounds

[Bug tree-optimization/86434] New: early string folding defeats strlen optimization

[Bug tree-optimization/86435] -fsemantic-interposition does not appear to have any effect

[Bug tree-optimization/86435] New: -fsemantic-interposition does not appear to have any effect

[Bug tree-optimization/86479] [9 Regression] [graphite] ICE in gimplify_modify_expr, at gimplify.c:5756

[Bug tree-optimization/86479] New: [9 Regression] [graphite] ICE in gimplify_modify_expr, at gimplify.c:5756

[Bug tree-optimization/86489] ICE in gimple_phi_arg starting with r261682 when building 531.deepsjeng_r with FDO + LTO

[Bug tree-optimization/86489] New: ICE in gimple_phi_arg starting with r261682 when building 531.deepsjeng_r with FDO + LTO

[Bug tree-optimization/86492] [8/9 Regression] store-merging wrong-code

[Bug tree-optimization/86492] New: [8/9 Regression] store-merging wrong-code

[Bug tree-optimization/86504] New: vectorization failure for a nest loop

[Bug tree-optimization/86504] vectorization failure for a nest loop

[Bug tree-optimization/86506] [9 Regression] tree-vect-patterns.c:225: shift too large for type ?

[Bug tree-optimization/86509] Invalid conversion of comparison with infinity

[Bug tree-optimization/86509] New: Invalid conversion of comparison with infinity

[Bug tree-optimization/86514] [8/9 regression] wrong manipulation of 2-dimensional packed array at -O

[Bug tree-optimization/86520] AArch64: Two 8-bit accesses coalesced into a single 16-bit access

[Bug tree-optimization/86526] [9 Regression] ICE in builtin_memcpy_read_str, at builtins.c:3017

[Bug tree-optimization/86526] ICE in builtin_memcpy_read_str, at builtins.c:3017

[Bug tree-optimization/86526] New: ICE in builtin_memcpy_read_str, at builtins.c:3017

[Bug tree-optimization/86530] New: Vectorization failure for a simple loop

[Bug tree-optimization/86530] Vectorization failure for a simple loop

[Bug tree-optimization/86532] [9 Regression] Wrong code due to a wrong strlen folding starting with r262522

[Bug tree-optimization/86532] New: [9 Regression] Wrong code due to a wrong strlen folding starting with r262522

[Bug tree-optimization/86544] New: Popcount detection generates different code on C and C++

[Bug tree-optimization/86544] Popcount detection generates different code on C and C++

[Bug tree-optimization/86552] missing warning for reading past the end of non-string arrays

[Bug tree-optimization/86552] New: missing warning for reading past the end of non-string arrays

[Bug tree-optimization/86557] missed vectorization with std::vector compared to icc 18

[Bug tree-optimization/86570] Conditional statement doesn't trigger sincos transform (with -ffast-math)

[Bug tree-optimization/86570] New: Conditional statement doesn't trigger sincos transform

[Bug tree-optimization/86571] AIX NaNQ and NaNS output format conflicts with __builtin_sprintf

[Bug tree-optimization/86571] New: AIX NaNQ and NaNS output format conflicts with __builtin_sprintf

[Bug tree-optimization/86572] New: unsafe strlen folding of const arguments with non-const offset

[Bug tree-optimization/86572] unsafe strlen folding of const arguments with non-const offset

[Bug tree-optimization/86573] Failure to optimise passing simple values to inlined function

[Bug tree-optimization/86604] New: Compiler can't think of smaller variable ranges

[Bug tree-optimization/86604] phiopt missed optimization of conditional add

[Bug tree-optimization/86609] New: Reassociate (int) round sequences

[Bug tree-optimization/86611] missing -Warray-bounds on a large negative index into a string in lp64

[Bug tree-optimization/86611] New: missing -Warray-bounds on a large negative index into a string in lp64

[Bug tree-optimization/86613] missing -Warray-bounds on a wide string access due to ccp folding

[Bug tree-optimization/86613] New: missing -Warray-bounds on a wide string access due to ccp folding

[Bug tree-optimization/86614] New: duplicate -Warray-bounds for a strncpy call with out-of-bounds offset

[Bug web/86315] Bugzilla: add "cc count" and "duplicate count" columns

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