[Bug c++/79681] [6/7 Regression] ICE with constexpr and bitfield

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79681

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40837
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40837&action=edit
gcc7-pr79681.patch

This seems to work though.