From: Russ Cox <rsc@golang.org>
Date: Wed, 6 May 2009 00:33:51 +0000 (-0700)
Subject: 6g bug: was dropping assignment of nil to globals
X-Git-Tag: weekly.2009-11-06~1707
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=3e9b171b79de56d8a7f7f1c02d83adeccbd3f0f5;p=gostls13.git

6g bug: was dropping assignment of nil to globals

R=ken
OCL=28314
CL=28314
---

diff --git a/src/cmd/gc/gen.c b/src/cmd/gc/gen.c
index 249d0fde05..1302ae10c6 100644
--- a/src/cmd/gc/gen.c
+++ b/src/cmd/gc/gen.c
@@ -439,10 +439,13 @@ cgen_as(Node *nl, Node *nr)
 		}
 
 		// externals and heaps should already be clear
-		if(nl->class == PEXTERN)
-			return;
-		if(nl->class & PHEAP)
-			return;
+		if(nr == N) {
+			if(nl->class == PEXTERN)
+				return;
+			if(nl->class & PHEAP)
+				return;
+		}
+
 		tl = nl->type;
 		if(tl == T)
 			return;