From: Ken Thompson <ken@golang.org>
Date: Fri, 12 Sep 2008 02:09:25 +0000 (-0700)
Subject: bug075
X-Git-Tag: weekly.2009-11-06~3229
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=47580f79b48d82e42c8c7b44fc49ea8de9f74fcf;p=gostls13.git

bug075

R=r
OCL=15192
CL=15192
---

diff --git a/src/cmd/gc/walk.c b/src/cmd/gc/walk.c
index 8850867db7..e5fdb540fc 100644
--- a/src/cmd/gc/walk.c
+++ b/src/cmd/gc/walk.c
@@ -406,6 +406,7 @@ loop:
 		case OINDEXPTR:
 			if(cl == 2 && cr == 1) {
 				// a,b = map[] - mapaccess2
+				walktype(r->left, Erv);
 				if(!isptrto(r->left->type, TMAP))
 					break;
 				l = mapop(n, top);
diff --git a/src/runtime/map.c b/src/runtime/map.c
index 5500c9f91b..0a4b3b8e84 100644
--- a/src/runtime/map.c
+++ b/src/runtime/map.c
@@ -114,6 +114,7 @@ sys·mapaccess1(Hmap *m, ...)
 	}
 
 	m->valalg->copy(m->valsize, av, 0);
+	throw("sys·mapaccess1: key not in map");
 
 out:
 	if(debug) {