[Bug c++/90885] GCC should warn about 2^16 and 2^32 and 2^64

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90885

--- Comment #17 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #12)
> What about -Wxor-used-as-pow ?

-Wxor-power (or -Wpower-xor)?