[PATCH] PR gold/17729: [gold] gold failed to build x32 libgo

[Matthias Klose]

> X32 uses cmp %fs:NN,%esp, lea NN(%rsp),%r10d, lea NN(%rsp),%r11d,
> instead of cmp %fs:NN,%rsp, lea NN(%rsp),%r10, lea NN(%rsp),%r11.
> This patch handles it.  Tested on Linux/x86-64 with x32 and x86-64 libgo.
> OK to install?  Thanks.

I ran the go testsuite for both GCC 4.9 and trunk, now showing the same results
for x32 as for ix86 and ix86_64.

Matthias