[Bug sanitizer/59009] libsanitizer merge from upstream r191666 breaks bootstrap on powerpc64-linux and aarch64-linux

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59009

--- Comment #55 from clyon at gcc dot gnu.org ---
compiler-rt-r230324 is the patch I would like to cherry-pick.

Jakub, is this OK?