Test gcc.c-torture/execute/20071030-2.c has been failing execution for -m64 with option lists including -O2 and -O3 since this patch was added to trunk:
http://gcc.gnu.org/viewcvs?view=rev&rev=149011 r149011 | bonzini | 2009-06-27 14:50:00 +0000 (Sat, 27 Jun 2009) That patch was added shortly before another one that broke bootstrap, as reported in PR 40597, and this test failure was then lost in the noise. I'll attach a shorter testcase that demonstrates the problem. -- Summary: test 20071030-1.c fails execution on powerpc64 Product: gcc Version: 4.5.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: janis at gcc dot gnu dot org GCC target triplet: powerpc64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41812