[Bug target/67417] powerpc64 bootstrap with -mcmodel=small results in linker error

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67417

--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
BTW, the linker error message doesn't identify the correct function, which is
looking like a linker bug.