[Bug c++/99176] [8/9/10/11 Regression] GCC rejects const_cast of null pointer in constant expressions

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99176

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Same problem for:

constexpr int* ptr = (int *) (const int *) nullptr;