http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55555
Bug #: 55555 Summary: [4.8 Regression] miscompilation at -O2 Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassig...@gcc.gnu.org ReportedBy: joost.vandevond...@mat.ethz.ch Created attachment 28845 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28845 testcase The attached testcase is miscompiled at -O2, but runs fine at -O1. To reproduce gfortran -O2 bug.f90 ; ./a.out #3 0x400C7E in MAIN__ at bug.f90:97 Aborted I believe this is a recent regression on trunk. Tested with gcc version 4.8.0 20121201 (experimental) [trunk revision 194017] (GCC)