[Bug c++/92338] double/float thought (ambiguous) candidate for C-array index. (Non numeric types aren't.)

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92338

--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Mick P. from comment #5)
> Try Visual Studio's.

I did, and it doesn't compile:
https://godbolt.org/z/Q54kFs