[Bug c++/123376] [16 Regression] ICE in write_type when building qt6-qtscxml with -flto -ffat-lto-objects since r16-3821

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123376

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 63484
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63484&action=edit
Shorter testcase