http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48270
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |UNCONFIRMED Target Milestone|4.7.0 |--- Ever Confirmed|1 |0 --- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-03-24 12:10:58 UTC --- (In reply to comment #2) > Confirmed with -m32 testing on x86_64-linux. HJ, instead of saying Linux/x86 > please fill in the target field (x86 is at least now ambiguous). It failed for me with both -m32/-m64. That is what I meant by Linux/x86. Valgrind reports: ==32103== Invalid read of size 1 ==32103== at 0x935283: tree_ssa_phiopt_worker (tree-ssa-phiopt.c:1512) ==32103== by 0x7AE895: execute_one_pass (passes.c:1554) ==32103== by 0x7AEB74: execute_pass_list (passes.c:1609) ==32103== by 0x7AEB86: execute_pass_list (passes.c:1610) ==32103== by 0x8A6345: tree_rest_of_compilation (tree-optimize.c:422) ==32103== by 0xA4D7E9: cgraph_expand_function (cgraphunit.c:1576) ==32103== by 0xA4FF19: cgraph_optimize (cgraphunit.c:1635) ==32103== by 0xA50499: cgraph_finalize_compilation_unit (cgraphunit.c:1096) ==32103== by 0x77080C: write_global_declarations (langhooks.c:303) ==32103== by 0x84F1AD: toplev_main (toplev.c:591) ==32103== by 0x37CCA1EDDC: (below main) (in /lib64/libc-2.13.so) ==32103== Address 0xc97df98 is 24 bytes inside a block of size 112 free'd ==32103== at 0x4A05187: free (vg_replace_malloc.c:325) ==32103== by 0x875BF4: free_data_refs (tree-data-ref.c:4671) ==32103== by 0x935205: tree_ssa_phiopt_worker (tree-ssa-phiopt.c:1497) ==32103== by 0x7AE895: execute_one_pass (passes.c:1554) ==32103== by 0x7AEB74: execute_pass_list (passes.c:1609) ==32103== by 0x7AEB86: execute_pass_list (passes.c:1610) ==32103== by 0x8A6345: tree_rest_of_compilation (tree-optimize.c:422) ==32103== by 0xA4D7E9: cgraph_expand_function (cgraphunit.c:1576) ==32103== by 0xA4FF19: cgraph_optimize (cgraphunit.c:1635) ==32103== by 0xA50499: cgraph_finalize_compilation_unit (cgraphunit.c:1096)