[Bug fortran/120847] [15/16-Regression, Coarray] ICE after "Component ... already declared at..." when type with coarray comp is defined

[anlauf at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120847

--- Comment #8 from anlauf at gcc dot gnu.org ---
Created attachment 61779
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61779&action=edit
Reduced testcase

This is roughly the minimum I got.