[Bug c++/96976] g++ reports "call of overloaded '...' is ambiguous" when universal reference is used

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96976

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed on trunk by r11-1571

It's also fixed on the gcc-10 branch by r10-8343