[Bug go/86535] FreeBSD/PowerPC64 - Building Go Frontend support for gcc 7.3.0 fails

[ian at airs dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86535

--- Comment #9 from Ian Lance Taylor <ian at airs dot com> ---
I haven't tried to recreate the problem on FreeBSD.  I've just tried various
inputs to GCC 7 -fgo-dump-spec.