[Bug c++/105297] [12 Regression] new modules 'xtreme' test cases FAILs

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105297

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Patrick, I suggest we go with Jakub's suggestion in comment 4, but PTAL.