[Bug c++/82247] [concepts] Name deduction in concepts fails depending on the argument type

[mjklaim at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82247

--- Comment #5 from Joël Lamotte <mjklaim at gmail dot com> ---
I'll have to recheck when I have access to a proper computer, but that indeed
would explain this(weird) behavior.
My understanding was that for basic types, ADL would still work using global
namespace, which is why I didn't expect the int case to fail.