[Bug c++/87399] Inconsistent determination of what is usable in a constant expression with __PRETTY_FUNCTION__

[eric-bugs at omnifarious dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87399

--- Comment #3 from eric-bugs at omnifarious dot org ---
*** Bug 87381 has been marked as a duplicate of this bug. ***