[Bug c++/84463] [6/7/8 Regression] Supposedly-incompliant "error: '* key0' is not a constant expression"

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84463

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 43948
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43948&action=edit
gcc8-pr84463.patch

Untested fix.