[Bug tree-optimization/128604] New: [16 Regression] wrong code with table-based CLZ when the table entry for zero is INT_MIN

[ktkachov at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128604

            Bug ID: 128604
           Summary: [16 Regression] wrong code with table-based CLZ when
                    the table entry for zero is INT_MIN
           Product: gcc
           Version: 17.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ktkachov at gcc dot gnu.org
  Target Milestone: ---

Filing this PR to track backports of g:5b15a757b8e8e10366e8068e0cd000baa7b7315e
on affected branches.