From 30a28aec2535488d1b7296c19ab66f80e8aa5ba5 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Mon, 15 Jun 2009 20:15:59 -0700
Subject: [PATCH] b/1909731

package main
func f(a *c.b) {}
func main() {}

BUG=1909731
R=ken
OCL=30322
CL=30322
---
 src/cmd/gc/dcl.c | 2 ++
 src/cmd/gc/go.y  | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/src/cmd/gc/dcl.c b/src/cmd/gc/dcl.c
index 122df1debc..4312cfaea2 100644
--- a/src/cmd/gc/dcl.c
+++ b/src/cmd/gc/dcl.c
@@ -1203,6 +1203,8 @@ oldtype(Sym *s)
 {
 	Type *t;
 
+	if(s == S)
+		return T;
 	if(s->def == N || s->def->op != OTYPE) {
 		yyerror("%S is not a type", s);
 		return T;
diff --git a/src/cmd/gc/go.y b/src/cmd/gc/go.y
index 2208693aad..0102b58e22 100644
--- a/src/cmd/gc/go.y
+++ b/src/cmd/gc/go.y
@@ -1087,6 +1087,11 @@ othertype:
 |	interfacetype
 |	dotname
 	{
+		if($1->op == ODOT) {
+			yyerror("%S.%S is not a type", $1->left->sym, $1->right->sym);
+			$$ = T;
+			break;
+		}
 		if($1->op == OTYPE)
 		if($1->type->etype == TANY)
 		if(strcmp(package, "PACKAGE") != 0)
-- 
2.48.1