nested breaks handled wrong

SVN=127239

test/bugs/bug070.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 i, j, k int;
+	outer:
+	for k=0; k<2; k++ {
+		print "outer loop top k ", k, "\n";
+		if k != 0 { panic "k not zero" }  // inner loop breaks this one every time
+		for i=0; i<2; i++ {
+			if i != 0 { panic "i not zero" }  // loop breaks every time
+			print "inner loop top i ", i, "\n";
+			if true {
+				print "do break\n";
+				break outer;
+			}
+		}
+	}
+	print "broke\n";
+}