[Bug c/66198] New: base on aarch64 compiler , fdo optimazition produec wrong result

[huangcunjian at huawei dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66198

            Bug ID: 66198
           Summary: base on aarch64 compiler , fdo optimazition produec
                    wrong result
           Product: gcc
           Version: 4.9.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: huangcunjian at huawei dot com
  Target Milestone: ---