[Bug c++/90642] g++ fails to resolve template function overload

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90642

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed by r11-1571: c++: Refinements to "more constrained".

And the backport r10-8343