[Bug ipa/68419] ICE segfault in determine_locally_known_aggregate_parts / ipa_compute_jump_functions_for_edge

[cand at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68419

Lauri Kasanen <cand at gmx dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|5.2.0                       |5.3.0

--- Comment #4 from Lauri Kasanen <cand at gmx dot com> ---
5.3 is still broken. Same file, same error, though 5.3 printed a new backtrace
by itself.

/tmp/gcc-build/./gcc/xgcc -B/tmp/gcc-build/./gcc/ -B/tmp/tmpgcc/m68k-elf/bin/
-B/tmp/tmpgcc/m68k-elf/lib/ -isystem /tmp/tmpgcc/m68k-elf/include -isystem
/tmp/tmpgcc/m68k-elf/sys-include    -g -O2 -mcpu=68000 -O2  -g -O2 -DIN_GCC 
-DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include   -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector
-Dinhibit_libc  -I. -I. -I../../.././gcc -I../../../../gcc-5.3.0/libgcc
-I../../../../gcc-5.3.0/libgcc/. -I../../../../gcc-5.3.0/libgcc/../gcc
-I../../../../gcc-5.3.0/libgcc/../include    -o unwind-dw2.o -MT unwind-dw2.o
-MD -MP -MF unwind-dw2.dep -fexceptions -c
../../../../gcc-5.3.0/libgcc/unwind-dw2.c -fvisibility=hidden -DHIDE_EXPORTS
../../../../gcc-5.3.0/libgcc/unwind-dw2.c: In function
'_Unwind_RaiseException':
../../../../gcc-5.3.0/libgcc/unwind-dw2.c:1695:0: internal compiler error:
Segmentation fault

 ^
0x8d19ef crash_signal
        ../../gcc-5.3.0/gcc/toplev.c:383
0x7787c2 get_place_in_agg_contents_list
        ../../gcc-5.3.0/gcc/ipa-prop.c:1400
0x7787c2 determine_locally_known_aggregate_parts
        ../../gcc-5.3.0/gcc/ipa-prop.c:1571
0x780a60 ipa_compute_jump_functions_for_edge
        ../../gcc-5.3.0/gcc/ipa-prop.c:1757
0x78130c ipa_compute_jump_functions_for_bb
        ../../gcc-5.3.0/gcc/ipa-prop.c:1785
0x78130c analysis_dom_walker::before_dom_children(basic_block_def*)
        ../../gcc-5.3.0/gcc/ipa-prop.c:2299
0xb8f394 dom_walker::walk(basic_block_def*)
        ../../gcc-5.3.0/gcc/domwalk.c:188
0x78020f ipa_analyze_node(cgraph_node*)
        ../../gcc-5.3.0/gcc/ipa-prop.c:2355
0xbc28e3 ipcp_generate_summary
        ../../gcc-5.3.0/gcc/ipa-cp.c:4521
0x8315ce execute_ipa_summary_passes(ipa_opt_pass_d*)
        ../../gcc-5.3.0/gcc/passes.c:2156
0x5eb6df ipa_passes
        ../../gcc-5.3.0/gcc/cgraphunit.c:2196
0x5eb6df symbol_table::compile()
        ../../gcc-5.3.0/gcc/cgraphunit.c:2312
0x5ec68c symbol_table::finalize_compilation_unit()
        ../../gcc-5.3.0/gcc/cgraphunit.c:2461
0x4f63b2 c_write_global_declarations()
        ../../gcc-5.3.0/gcc/c/c-decl.c:10799