[Bug go/65180] regression in gccgo testcase runtime/pprof on ppc64le, ppc64 following move to go 1.4 from 1.3

[boger at us dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65180

--- Comment #6 from boger at us dot ibm.com ---
I have verified this testcase now passes on ppc64le with today's gcc-5-branch
and with gcc trunk.