[Bug c++/103746] [12 Regression] GCC 12 rejects code on "call to non-‘constexpr’ function ‘glsl::vec3& glsl::vec3::operator=(glsl::vec3&&)’" while gcc 11 and clang accepts it

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103746

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|1                           |0
            Summary|[12 Regression] Rejected    |[12 Regression] GCC 12
                   |code "call to               |rejects code on "call to
                   |non-‘constexpr’ function    |non-‘constexpr’ function
                   |‘glsl::vec3&                |‘glsl::vec3&
                   |glsl::vec3::operator=(glsl: |glsl::vec3::operator=(glsl:
                   |:vec3&&)’" since            |:vec3&&)’" while gcc 11 and
                   |r12-5256-g37326651b439bac5  |clang accepts it
             Status|NEW                         |UNCONFIRMED

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This code is definitely not valid but -fimplicit-constexpr will allow it to
compile already.