[Bug c++/83484] constexpr not evaluated at compile time

[gjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83484

--- Comment #1 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Created attachment 42917
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42917&action=edit
tmp.cpp: C++11 test case