[Bug libstdc++/107850] [12 Regression] std::erase_if (map) forces predicate to takes a const value_type

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107850

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
IMHO https://cplusplus.github.io/LWG/issue3031 should have applied to these
functions too.