[Bug c++/115878] C++23: this int argument with value 0 considered as dereferencing a null pointer in constexpr

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115878

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|C++23: this int argument    |C++23: this int argument
                   |with value 0 considered as  |with value 0 considered as
                   |dereferencing a null        |dereferencing a null
                   |pointer                     |pointer in constexpr
             Blocks|                            |55004

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note there is an open defect in this area though:
https://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#2688


But the issue in constexpr is in that check I pointed to.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004
[Bug 55004] [meta-bug] constexpr issues