From: David du Colombier <0intro@gmail.com>
Date: Fri, 7 Feb 2014 14:43:40 +0000 (+0100)
Subject: cmd/gc: fix nil pointer dereference
X-Git-Tag: go1.3beta1~795
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=f95a311c9b2fda14da2c2303ffe7003b7baf9f38;p=gostls13.git

cmd/gc: fix nil pointer dereference

LGTM=iant
R=golang-codereviews, dave, iant
CC=golang-codereviews
https://golang.org/cl/60740044
---

diff --git a/src/cmd/gc/typecheck.c b/src/cmd/gc/typecheck.c
index 3c27d99154..7de01e3cf8 100644
--- a/src/cmd/gc/typecheck.c
+++ b/src/cmd/gc/typecheck.c
@@ -3199,7 +3199,7 @@ typecheckdef(Node *n)
 		n->type->sym = n->sym;
 		nerrors0 = nerrors;
 		typecheckdeftype(n);
-		if(n->type->etype == TFORW && nerrors > nerrors0) {
+		if(n->type != T && n->type->etype == TFORW && nerrors > nerrors0) {
 			// Something went wrong during type-checking,
 			// but it was reported. Silence future errors.
 			n->type->broke = 1;