[Bug fortran/126018] gfortran rejects character function invocation as stop code

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126018

--- Comment #4 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Created attachment 64906
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64906&action=edit
Draft patch

This passes regression testing here. Biggest issue was in needing the correct
resolution.

Steve, can you look this over and exercise it a little?