[Bug c++/112580] [14 Regression]: g++.dg/modules/xtreme-header-4_b.C et al; ICE tree check: expected class 'type', have 'declaration'

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112580

--- Comment #3 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
All mentioned except g++.dg/modules/xtreme-header_b.C -std=c++2b (test for
excess errors) seem to be fixed.  Thanks!