gc: bug245

Fixes #529.

R=ken2
CC=golang-dev
https://golang.org/cl/186215

src/cmd/gc/sinit.c

@@ -322,6 +322,7 @@ slicelit(Node *n, Node *var, NodeList **init)
 	t = shallow(n->type);
 	t->bound = mpgetfix(n->right->val.u.xval);
 	t->width = 0;
+	t->sym = nil;
 	dowidth(t);
 
 	// make static initialized array
@@ -688,6 +689,7 @@ initctxt:
 		t = shallow(t);
 		t->bound = mpgetfix(n->right->right->val.u.xval);
 		t->width = 0;
+		t->sym = nil;
 		dowidth(t);
 
 		// make static initialized array

src/cmd/gc/typecheck.c

@@ -1715,7 +1715,7 @@ typecheckcomplit(Node **np)
 
 	memset(hash, 0, sizeof hash);
 
-	l = typecheck(&n->right /* sic */, Etype /* TODO | Edotarray */);
+	l = typecheck(&n->right /* sic */, Etype);
 	if((t = l->type) == T)
 		goto error;
 	nerr = nerrors;

test/fixedbugs/bug245.go

+// $G $D/$F.go || echo BUG: bug245
+
+// Copyright 2010 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 (t T) m()
+
+func main() {
+	_ = T{}
+}
+
+// bug245.go:14: fatal error: method mismatch: T for T