[Bug bootstrap/64102] ARM bootstrap fails with segfault with -mapcs in BOOT_CFLAGS

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64102

--- Comment #2 from ktkachov at gcc dot gnu.org ---
My hunch is that this is a miscompile of something earlier in the process