[Bug c++/112448] Constraint expression b rejected

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112448

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note the error message on the trunk changed to:
<source>:4:40: error: template argument 1 is invalid
    4 | constexpr bool f(auto x) requires b<x.v> { return true; }
      |                                        ^