[Bug tree-optimization/95821] Failure to optimize strchr to use memchr for string constant

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95821

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 53157
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53157&action=edit
A patch