[Bug bootstrap/97527] OpenBSD bootstrap fails with error: C++ preprocessor "/lib/cpp" fails sanity check

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97527

--- Comment #3 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Created attachment 49421
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49421&action=edit
config.log from the main build directory