http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59998
Bug ID: 59998 Summary: [4.9 regression] internal compiler error: SSA corruption: Unable to coalesce ssa_names 4 and 135 which are marked as MUST COALESCE. Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: gerald at pfeifer dot com Created attachment 31993 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31993&action=edit serialize.i (input file causing ICE with "gcc -O2") % ~/gcc-ref10-i386/bin/gcc -c -O2 serialize.i Unable to coalesce ssa_names 4 and 135 which are marked as MUST COALESCE. pbElement_4(ab) and pbElement_135(ab) serialize.c: In function 'CRYPT_ReadSerializedElement': serialize.c:295:13: internal compiler error: SSA corruption const void *CRYPT_ReadSerializedElement(const BYTE *pbElement, DWORD cbElement, ^ (This is from Wine, dlls/crypt32/serialize.c.)