[Bug tree-optimization/119542] New: At -O1 and higher, GCC incorrectly optimizes isTmax function to always return 0

[2023152001 at email dot szu.edu.cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119542

            Bug ID: 119542
           Summary: At -O1 and higher, GCC incorrectly optimizes isTmax
                    function to always return 0
           Product: gcc
           Version: 13.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: 2023152001 at email dot szu.edu.cn
  Target Milestone: ---