Go patch committed: Recognize more test lines

[Uros Bizjak]

Hello!

> This patch to the Go testsuite driver recognizes a few more test lines
> in Go tests.  I somehow failed to notice these the last time I updated
> the Go testsuite.  This patch includes a couple of changes to make the
> newly recognized tests pass.  Ran Go testsuite on
> x86_64-unknown-linux-gnu.  Committed to mainline.

Some of the go tests require explicit -mieee compile flag [1]. Is
there a way to conditionally pass this flag to the compiler?

[1] http://gcc.gnu.org/ml/gcc-testresults/2012-01/msg01443.html

Uros.