- added another bug test ('len' shouldn't be a keyword)

SVN=123225

test/bugs/bug053.go

+// $G $D/$F.go && $L $F.$A && ./$A.out
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+func main() {
+  var len int;  // len should not be a keyword - this doesn't compile
+}

test/golden.out

@@ -267,6 +267,10 @@ BUG: infinite loop in error reporting
 =========== bugs/bug052.go
 BUG: incorrect code for division
 
+=========== bugs/bug053.go
+bugs/bug053.go:6: syntax error
+BUG: len should not be a keyword
+
 =========== fixedbugs/bug000.go
 
 =========== fixedbugs/bug001.go