https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86433
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
No. It says "h is a value of type (possibly const) H" and that means the
requirements must be met for an object of type H, where H might be a const
type. If your hasher only has a non-const member it can not meet the
requirements.