Comment 14 for bug 1286343

Revision history for this message
In , Trippels (trippels) wrote :

Created attachment 32382
reduced testcase

Here's a reduced testcase that segfaults also on x86_64.

markus@x4 tmp % g++ -std=c++11 -c -O2 -c test.ii
ASAN:SIGSEGV
=================================================================
==17160==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000010 (pc 0x000000d9b9b7 sp 0x7fff7ac203c0 bp 0x0fffef5840a0 T0)
    #0 0xd9b9b6 in cgraph_function_node(cgraph_node*, availability*) ../../gcc/gcc/cgraph.c:2966
    #1 0x25e6923 in propagate_pure_const ../../gcc/gcc/ipa-pure-const.c:1185
    #2 0x25e6923 in propagate ../../gcc/gcc/ipa-pure-const.c:1483
    #3 0x25e6923 in execute ../../gcc/gcc/ipa-pure-const.c:1536
    #4 0x14b93cd in execute_one_pass(opt_pass*) ../../gcc/gcc/passes.c:2229
    #5 0x14badd0 in execute_ipa_pass_list(opt_pass*) ../../gcc/gcc/passes.c:2607
    #6 0xdb2bb1 in ipa_passes ../../gcc/gcc/cgraphunit.c:2084
    #7 0xdb2bb1 in compile() ../../gcc/gcc/cgraphunit.c:2174
    #8 0xdb484a in finalize_compilation_unit() ../../gcc/gcc/cgraphunit.c:2329
    #9 0x84561a in cp_write_global_declarations() ../../gcc/gcc/cp/decl2.c:4610
    #10 0x16aa252 in compile_file ../../gcc/gcc/toplev.c:562
    #11 0x16af0db in do_compile ../../gcc/gcc/toplev.c:1914
    #12 0x16af0db in toplev_main(int, char**) ../../gcc/gcc/toplev.c:1990
    #13 0x7ff8fae69faf in __libc_start_main (/lib/libc.so.6+0x1ffaf)
    #14 0x5d9460 (/var/tmp/gcc_sani/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/cc1plus+0x5d9460)