[Bug c++/123818] [13/14/15/16 Regression] Different default arguments to 2 different functions sometimes go wrong and use the first one only since r0-69852

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123818

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 63571
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63571&action=edit
gcc16-pr123818.patch

Full untested fix.