This test case passes with no optimization. It hangs in a loop with -O1, -O2, or -O3.
Fails also on 4.3, and 4.4. Attachment to follow. -- Summary: Optimization: NIST test FM013.f fails at -O1 and above Product: gcc Version: 4.5.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jvdelisle at gcc dot gnu dot org GCC host triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41403