From: Russ Cox <rsc@golang.org>
Date: Fri, 6 Sep 2013 19:47:52 +0000 (-0400)
Subject: cmd/gc: remove "send used as value" hint
X-Git-Tag: go1.2rc2~331
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=e1ac15743b026f843401b95d34c2c0f54847e15d;p=gostls13.git

cmd/gc: remove "send used as value" hint

This message was helpful for pre-Go 1 users updating to Go 1.
That time is past. Now the message is confusing because it
depends on knowing what pre-Go 1 looked like.

Update #4697.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/13335051
---

diff --git a/src/cmd/gc/typecheck.c b/src/cmd/gc/typecheck.c
index 9b5a784eb1..e4dd467945 100644
--- a/src/cmd/gc/typecheck.c
+++ b/src/cmd/gc/typecheck.c
@@ -928,11 +928,7 @@ reswitch:
 		goto ret;
 
 	case OSEND:
-		if(top & Erv) {
-			yyerror("send statement %N used as value; use select for non-blocking send", n);
-			goto error;
-		}
-		ok |= Etop | Erv;
+		ok |= Etop;
 		l = typecheck(&n->left, Erv);
 		typecheck(&n->right, Erv);
 		defaultlit(&n->left, T);