dead_or_predictable calls propagate_block without checking first if there is suddicient space in reg_n_info. That can lead to memory corruption.
-- Summary: dead_or_predictable doesn't resize reg_n_info Product: gcc Version: 3.4.3 Status: UNCONFIRMED Keywords: wrong-code, ice-on-valid-code Severity: normal Priority: P2 Component: rtl-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: amylaar at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org OtherBugsDependingO 17652 nThis: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20370