[Bug middle-end/80894] New: [8 Regression] 456.hmmer in SPEC CPU 2006 is miscompiled

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80894

            Bug ID: 80894
           Summary: [8 Regression] 456.hmmer in SPEC CPU 2006 is
                    miscompiled
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: glisse at gcc dot gnu.org
  Target Milestone: ---

On Linux/x86-64, r248447 miscompiled 456.hmmer in SPEC CPU 2006 with

-O2 -ffast-math   -DSPEC_CPU_LP64     -funsigned-char


456.hmmer: copy 0 non-zero return code (exit code=1, signal=0)


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Contents of nph3.err
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FATAL: HMM file nph3.hmm corrupt or in incorrect format? Parse failed