[Bug middle-end/66198] base on aarch64 compiler , fdo optimazition produec wrong result

[huangcunjian at huawei dot com]

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

--- Comment #2 from huangcunjian <huangcunjian at huawei dot com> ---
Created attachment 35564
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35564&action=edit
testcase context