[Bug c++/98760] [modules] ICE in add_module_decl

[boris at kolpackov dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98760

--- Comment #1 from Boris Kolpackov <boris at kolpackov dot net> ---
Created attachment 50009
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50009&action=edit
Reproducer