[Bug c++/84843] [8 Regression] C++ ICE on builtin redefinition since r258391

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84843

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 #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 43641
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43641&action=edit
gcc8-pr84843.patch

Untested fix.