[release-branch.go1.11] cmd/link: require cgo support for TestSectionsWithSameName
The test doesn't really require cgo, but it does require that we know
the right flags to use to run the C compiler, and that is not
necessarily correct if we don't support cgo.
Fixes #31565
Change-Id: I04dc8db26697caa470e91ad712376aa621cf765d
Reviewed-on: https://go-review.googlesource.com/c/go/+/172981
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
(cherry picked from commit
4c236b9b097882f3aef8116e1ac9f65463bf6f01)
Reviewed-on: https://go-review.googlesource.com/c/go/+/173118