[Bug middle-end/117098] Tail call doesn't work in some cases

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117098

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 59328
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59328&action=edit
A patch

I am testing this.