cannot declare a variable in new scope with same name as type in outer scope

(same as bug144.go but for types instead of constants)

TBR=ken
DELTA=17  (17 added, 0 deleted, 0 changed)
OCL=27855
CL=27855

test/bugs/bug145.go

+// $G $D/$F.go || echo BUG should compile
+
+// 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
+
+type t int
+
+func main() {
+	t := 0
+}
+
+/*
+bug145.go:8: t is type, not var
+*/

test/golden.out

@@ -121,6 +121,10 @@ bugs/bug140.go:6: syntax error near L1
 bugs/bug140.go:7: syntax error near L2
 BUG should compile
 
+=========== bugs/bug145.go
+bugs/bug145.go:8: t is type, not var
+BUG should compile
+
 =========== fixedbugs/bug016.go
 fixedbugs/bug016.go:7: constant -3 overflows uint