[Bug target/115324] [12/13/14/15 Regression] PCH of rs6000 builtins broken

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115324

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 58331
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58331&action=edit
gcc15-pr115324.patch

Untested fix.