[Bug tree-optimization/90911] New: [10 Regression] 456.hmmer regression with r272239

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90911

            Bug ID: 90911
           Summary: [10 Regression] 456.hmmer regression with r272239
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
  Target Milestone: ---

There's a 4% regression in 456.hmmer observed on
https://gcc.opensuse.org/gcc-old/SPEC/CINT/sb-czerny-head-64-2006/recent.html
with r272239 at -Ofast -march=haswell [-flto].