http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48150
Summary: [4.7 Regression] gcc.dg/guality/sra-1.c Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug AssignedTo: unassig...@gcc.gnu.org ReportedBy: hjl.to...@gmail.com CC: rgue...@gcc.gnu.org On Linux/Intel64, revision 171044 gave FAIL: gcc.dg/guality/sra-1.c -O2 line 43 a.j == 14 FAIL: gcc.dg/guality/sra-1.c -O3 -g line 43 a.j == 14 FAIL: gcc.dg/guality/sra-1.c -Os line 43 a.j == 14 Revision 171042 is OK. It is caused by revision 171043: http://gcc.gnu.org/ml/gcc-cvs/2011-03/msg00465.html