if bytes.Count(tg.stdout.Bytes(), []byte{'\n'})+bytes.Count(tg.stderr.Bytes(), []byte{'\n'}) > 1 {
		t.Error("unnecessary output when installing installed package")
	}
}

// Issue 24704.
func TestLinkerTmpDirIsDeleted(t *testing.T) {
	skipIfGccgo(t, "gccgo does not use cmd/link")
	testenv.MustHaveCGO(t)
	tooSlow(t, "builds a package with cgo dependencies")

	tg := testgo(t)
	defer tg.cleanup()
	tg.parallel()