http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54795
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu.org --- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> 2012-11-17 16:47:54 UTC --- ==17715== Invalid read of size 8 ==17715== at 0x6B2522: output_symtab() (lto-cgraph.c:589) ==17715== by 0x6B87B5: lto_output() (lto-streamer-out.c:1000) ==17715== by 0x6E2307: ipa_write_optimization_summaries_1(opt_pass*, lto_out_decl_state*) (passes.c:2542) ==17715== by 0x6E3257: ipa_write_optimization_summaries(lto_symtab_encoder_d*) (passes.c:2589) ==17715== by 0x4EA5AA: lto_main() (lto.c:2693) ==17715== by 0x76FC45: compile_file() (toplev.c:545) ==17715== by 0x7717E7: toplev_main(int, char**) (toplev.c:1881) ==17715== by 0x38F3A21674: (below main) (in /usr/lib64/libc-2.15.so) ==17715== Address 0xb5caccc is not stack'd, malloc'd or (recently) free'd 588 bp = bitpack_create (ob->main_stream); 589 bp_pack_value (&bp, ref->use, 2); 590 streamer_write_bitpack (&bp); 591 nref = lto_symtab_encoder_lookup (encoder, ref->referred); 592 gcc_assert (nref != LCC_NOT_FOUND); 593 streamer_write_hwi_stream (ob->main_stream, nref); (gdb) p ref $1 = (ipa_ref *) 0xb5cacb0 (gdb) p ref->use $2 = IPA_REF_LOAD (gdb) p &ref->use $3 = (ipa_ref_use *) 0xb5caccc (gdb)