[Bug target/84530] -mfunction-return=thunk does not work for simple_return_pop_internal insn

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84530

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 43494
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43494&action=edit
A patch

I am testing this patch.