http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55358
--- Comment #5 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-11-23 13:08:54 UTC --- A new one: ==2442== Invalid write of size 8 ==2442== at 0x672DF6: iterative_hash_canonical_type(tree_node*, unsigned int) (gimple.c:3170) ==2442== by 0xD3F4A0: htab_find_slot (hashtab.c:712) ==2442== by 0x67DEA8: gimple_register_canonical_type(tree_node*) (gimple.c:3438) ==2442== by 0x4D25C5: uniquify_nodes(data_in*, unsigned int) (lto.c:2050) ==2442== by 0x4D3A0A: lto_main() (lto.c:2089) ==2442== by 0x82195B: compile_file() (toplev.c:545) ==2442== by 0x8235CF: toplev_main(int, char**) (toplev.c:1881) ==2442== by 0x4ECD884: (below main) (libc-start.c:258) ==2442== Address 0x4031e98 is not stack'd, malloc'd or (recently) free'd ==2442==