From f7772627ad2bb1bf356ef4f0767234bcc98f9cc4 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Wed, 18 Mar 2009 19:20:54 -0700
Subject: [PATCH] fix b/1722502

BUG=1722502
R=ken
OCL=26526
CL=26526
---
 src/cmd/gc/walk.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/cmd/gc/walk.c b/src/cmd/gc/walk.c
index 07af514077..c5442fe76e 100644
--- a/src/cmd/gc/walk.c
+++ b/src/cmd/gc/walk.c
@@ -1806,6 +1806,9 @@ mkdotargs(Node *r, Node *rr, Iter *saver, Node *nn, Type *l, int fp)
 	while(r != N) {
 		defaultlit(r, T);
 
+		if(r->type == T)	// type check failed
+			return N;
+
 		// generate the next structure field
 		t = typ(TFIELD);
 		t->type = r->type;
-- 
2.48.1