[Bug fortran/128488] Segmentation fault for function in declaration

[thod_ at gmx dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128488

--- Comment #1 from thod_ at gmx dot de ---
Created attachment 66100
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=66100&action=edit
Test code