This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] Fix PR58417 -- r202700 appears to be causing ICEs


Richard,

I am seeing ICEs in libstdc++ make check that I didn't see yesterday:


spawn /home/ppluzhnikov/Archive/gcc-svn/build/./gcc/xg++
-shared-libgcc -B/home/ppluzhnikov/Archive/gcc-svn/build/./gcc
-nostdinc++ -L/home/ppluzhnikov/Archive/gcc-svn/build/x86_64-unknown-linux-gnu/libstdc++-v3/src
-L/home/ppluzhnikov/Archive/gcc-svn/build/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
-L/home/ppluzhnikov/Archive/gcc-svn/build/x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-B/home/ppluzhnikov/Archive/gcc-svn-install/x86_64-unknown-linux-gnu/bin/
-B/home/ppluzhnikov/Archive/gcc-svn-install/x86_64-unknown-linux-gnu/lib/
-isystem /home/ppluzhnikov/Archive/gcc-svn-install/x86_64-unknown-linux-gnu/include
-isystem /home/ppluzhnikov/Archive/gcc-svn-install/x86_64-unknown-linux-gnu/sys-include
-B/home/ppluzhnikov/Archive/gcc-svn/build/x86_64-unknown-linux-gnu/./libstdc++-v3/src/.libs
-D_GLIBCXX_ASSERT -fmessage-length=0 -ffunction-sections
-fdata-sections -g -O2 -D_GNU_SOURCE -g -O2 -D_GNU_SOURCE
-DLOCALEDIR="." -nostdinc++
-I/home/ppluzhnikov/Archive/gcc-svn/build/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu
-I/home/ppluzhnikov/Archive/gcc-svn/build/x86_64-unknown-linux-gnu/libstdc++-v3/include
-I/home/ppluzhnikov/Archive/gcc-svn/libstdc++-v3/libsupc++
-I/home/ppluzhnikov/Archive/gcc-svn/libstdc++-v3/include/backward
-I/home/ppluzhnikov/Archive/gcc-svn/libstdc++-v3/testsuite/util
/home/ppluzhnikov/Archive/gcc-svn/libstdc++-v3/testsuite/ext/random/normal_mv_distribution/cons/default.cc
-std=c++0x ./libtestc++.a -Wl,--gc-sections -lm -o ./default.exe
/home/ppluzhnikov/Archive/gcc-svn/libstdc++-v3/testsuite/ext/random/normal_mv_distribution/cons/default.cc:
In constructor '__gnu_cxx::normal_mv_distribution<_Dimen,
_RealType>::param_type::param_type() [with long unsigned int _Dimen =
2ul; _RealType = double]':
/home/ppluzhnikov/Archive/gcc-svn/libstdc++-v3/testsuite/ext/random/normal_mv_distribution/cons/default.cc:49:1:
internal compiler error: in build_polynomial_chrec, at
tree-chrec.h:148
 }
 ^
0xf57001 build_polynomial_chrec
        ../../gcc/tree-chrec.h:148
0xf5b8ab chrec_fold_plus_1
        ../../gcc/tree-chrec.c:321
0xf5c441 chrec_fold_plus_poly_poly
        ../../gcc/tree-chrec.c:153
0xf5c441 chrec_fold_plus_1
        ../../gcc/tree-chrec.c:279
0xb6ef7a interpret_rhs_expr
        ../../gcc/tree-scalar-evolution.c:1692
0xb6fecd interpret_gimple_assign
        ../../gcc/tree-scalar-evolution.c:1810
0xb6fecd analyze_scalar_evolution_1
        ../../gcc/tree-scalar-evolution.c:1892
0xb707b2 analyze_scalar_evolution(loop*, tree_node*)
        ../../gcc/tree-scalar-evolution.c:1947
0xb73667 analyze_scalar_evolution_in_loop
        ../../gcc/tree-scalar-evolution.c:2043
0xb73eaf simple_iv(loop*, loop*, tree_node*, affine_iv*, bool)
        ../../gcc/tree-scalar-evolution.c:3167
0x9817c6 estimate_function_body_sizes
        ../../gcc/ipa-inline-analysis.c:2563
0x9822e0 compute_inline_parameters(cgraph_node*, bool)
        ../../gcc/ipa-inline-analysis.c:2696
0x982630 inline_analyze_function
        ../../gcc/ipa-inline-analysis.c:3684
0x9827c7 inline_generate_summary()
        ../../gcc/ipa-inline-analysis.c:3735
0xa30df6 execute_ipa_summary_passes(ipa_opt_pass_d*)
        ../../gcc/passes.c:2000
0x7e8844 ipa_passes
        ../../gcc/cgraphunit.c:2008
0x7e8844 compile()
        ../../gcc/cgraphunit.c:2115
0x7e8a89 finalize_compilation_unit()
        ../../gcc/cgraphunit.c:2269
0x5fcc20 cp_write_global_declarations()
        ../../gcc/cp/decl2.c:4360
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
compiler exited with status 1


Perhaps they are related to your commit:


r202700 | rguenth | 2013-09-18 05:31:45 -0700 (Wed, 18 Sep 2013) | 25 lines

2013-09-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/58417
        * tree-chrec.c (chrec_fold_plus_1): Assert that we do not
        have chrecs with symbols defined in the loop as operands.
        (chrec_fold_multiply): Likewise.
        * tree-scalar-evolution.c (interpret_rhs_expr): Instantiate
        parameters before folding binary operations.
        (struct instantiate_cache_entry_hasher): Remove.
        (struct instantiate_cache_type): Use a pointer-map.
        (instantiate_cache_type::instantiate_cache_type): New function.
        (instantiate_cache_type::get): Likewise.
        (instantiate_cache_type::set): Likewise.
        (instantiate_cache_type::~instantiate_cache_type): Adjust.
        (get_instantiated_value_entry): Likewise.
        (global_cache): New global.
        (instantiate_scev_r, instantiate_scev_poly, instantiate_scev_binary,
        instantiate_array_ref, instantiate_scev_convert, instantiate_scev_3,
        instantiate_scev_2, instantiate_scev_1): Do not pass along cache.
        (instantiate_scev_name): Adjust.
        (instantiate_scev): Construct global instead of local cache.
        (resolve_mixers): Likewise.

        * gcc.dg/torture/pr58417.c: New testcase.


Thanks,
-- 
Paul Pluzhnikov


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]