[Bug ipa/64163] [5 Regression] r218024 causes qt5 build failure

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64163

--- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Honza, this might well be another gold bug (on x86_64).

With Alan's gold fix the unreduced testcase now compiles fine on ppc64
(with a few "relocation refers to discarded section" warnings).