cmd/go: don't assume cc supports -gno-record-gcc-switches
NetBSD's C compiler appears to support -fdebug-prefix-map but
not -gno-record-gcc-switches. Remove assumption that support
for the former implies the latter.
Change-Id: Iecad9e4f497ea4edc1ce440010e6fe19dc3e0566
Reviewed-on: https://go-review.googlesource.com/19686 Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>