test: use testlib (another bunch).
Apply sed with:
1s,^// $G $D/$F.go && $L $F.$A && ./$A.out || echo.*,// run,
1s,^// $G $D/$F.go || echo.*,// compile,
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5656099
diff --git a/test/fixedbugs/bug253.go b/test/fixedbugs/bug253.go
index bb5b770..f6ab712 100644
--- a/test/fixedbugs/bug253.go
+++ b/test/fixedbugs/bug253.go
@@ -1,4 +1,4 @@
-// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: bug253
+// run
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
