[Bug c++/110416] Error initializing of const union variable with a mutable field

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110416

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
[dcl.init.general]/8 (specifically 8.2) is what makes the union case valid.

Though I wonder what mutable field means in an union if not the whole union is
not mutable ...