runtime: check that Version does not contain \r \n

Change-Id: I8982cfa7337ec457b5235a207ebfda00ef6a2e5a
Reviewed-on: https://go-review.googlesource.com/33917
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/runtime/runtime_test.go

@@ -8,6 +8,7 @@ import (
 	"io"
 	. "runtime"
 	"runtime/debug"
+	"strings"
 	"testing"
 	"unsafe"
 )
@@ -329,3 +330,11 @@ func TestGoroutineProfileTrivial(t *testing.T) {
 		}
 	}
 }
+
+func TestVersion(t *testing.T) {
+	// Test that version does not contain \r or \n.
+	vers := Version()
+	if strings.Contains(vers, "\r") || strings.Contains(vers, "\n") {
+		t.Fatalf("cr/nl in version: %q", vers)
+	}
+}