https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66637
Bug ID: 66637 Summary: [6 Regression] 481.wrf in SPEC CPU 2006 is miscompiled Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com Target Milestone: --- On Linux/x86-64, 481.wrf in SPEC CPU 2006 is compiled into an infinite loop with gfortran -O3 -funroll-loops -ffast-math -DSPEC_CPU_LINUX -DSPEC_CPU_CASE_FLAG -DSPEC_CPU_LOGICAL_STRICT -frecord-marker=4 r224506 is good and r224712 is bad.