[Bug c/124303] C23: redeclaration of struct with function pointer with const pointer to struct as argument

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124303

--- Comment #3 from uecker at gcc dot gnu.org ---
Created attachment 63796
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63796&action=edit
patch