[Bug c++/72868] Constexpr expressions mistreat case ranges

[amarquez at sigovs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72868

--- Comment #2 from Alex Marquez <amarquez at sigovs dot com> ---
Created attachment 39099
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39099&action=edit
Test case