http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57661
Bug ID: 57661 Summary: [4.9 Regression] ICE: SIGSEGV in verify_ssa Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Created attachment 30326 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30326&action=edit partially reduced testcase Compiler output: $ gcc -O2 -fno-tree-forwprop -std=gnu++0x testcase.C testcase.C: In destructor '_Rope_RopeFunction<_CharT, _Alloc>::~_Rope_RopeFunction() [with _CharT = char; _Alloc = allocator<char>]': testcase.C:54:5: internal compiler error: Segmentation fault ~_Rope_RopeFunction () throw () ^ 0xbe9c8f crash_signal /mnt/svn/gcc-trunk/gcc/toplev.c:333 0xd6b5f0 verify_ssa(bool) /mnt/svn/gcc-trunk/gcc/tree-ssa.c:938 0xafc281 execute_function_todo /mnt/svn/gcc-trunk/gcc/passes.c:1970 0xafcbe7 execute_todo /mnt/svn/gcc-trunk/gcc/passes.c:2002 0xafe8e1 execute_one_ipa_transform_pass /mnt/svn/gcc-trunk/gcc/passes.c:2185 0xafe8e1 execute_all_ipa_transforms() /mnt/svn/gcc-trunk/gcc/passes.c:2215 0x874a38 expand_function /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1584 0x8766f6 expand_all_functions /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1695 0x8766f6 compile() /mnt/svn/gcc-trunk/gcc/cgraphunit.c:2029 0x876cc9 finalize_compilation_unit() /mnt/svn/gcc-trunk/gcc/cgraphunit.c:2106 0x685d60 cp_write_global_declarations() /mnt/svn/gcc-trunk/gcc/cp/decl2.c:4356 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. $ gcc -v Using built-in specs. COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-200224-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df --enable-languages=c,c++,lto,fortran --prefix=/mnt/svn/gcc-trunk/binary-200224-lto-fortran-checking-yes-rtl-df/ --without-cloog --without-ppl Thread model: posix gcc version 4.9.0 20130619 (experimental) (GCC) Tested revisions: r200224 - crash 4.8 r198018 - OK