[Bug go/89162] libgo build is broken on powerpc64-linux

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89162

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Ha, my last build was r268452 :-)

Thanks for the fix, and sorry for the noise.