gc: two bug fixes.

test/fixedbugs/bug214.go

Index: test/fixedbugs/bug214.go
===================================================================
new file mode 100644
--- /dev/null
+++ b/test/fixedbugs/bug214.go
@@ -0,0 +1,15 @@
+// $G $D/$F.go || echo BUG: bug214
+
+// 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.
+
+// Used to crash the compiler.
+// http://code.google.com/p/go/issues/detail?id=88
+
+package main
+
+func main() {
+	x := make(map[int]int, 10);
+	x[0], x[1] = 2, 6;
+}