From d0ac84fe404d345e25571ab0ee7596fc358d8b84 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Tue, 28 Jun 2011 16:00:55 -0400
Subject: [PATCH] cc: broken return is an error, not a warning

R=ken2
CC=golang-dev
https://golang.org/cl/4626081
---
 src/cmd/cc/com.c  | 2 +-
 src/cmd/cc/pgen.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cmd/cc/com.c b/src/cmd/cc/com.c
index b1a8a47041..192c28ace6 100644
--- a/src/cmd/cc/com.c
+++ b/src/cmd/cc/com.c
@@ -127,7 +127,7 @@ tcomo(Node *n, int f)
 	case ORETURN:
 		if(l == Z) {
 			if(n->type->etype != TVOID)
-				warn(n, "null return of a typed function");
+				diag(n, "null return of a typed function");
 			break;
 		}
 		if(tcom(l))
diff --git a/src/cmd/cc/pgen.c b/src/cmd/cc/pgen.c
index 5d17cafc92..0e5e8c059d 100644
--- a/src/cmd/cc/pgen.c
+++ b/src/cmd/cc/pgen.c
@@ -112,7 +112,7 @@ codgen(Node *n, Node *nn)
 	warnreach = 1;
 	gen(n);
 	if(canreach && thisfn->link->etype != TVOID)
-		warn(Z, "no return at end of function: %s", n1->sym->name);
+		diag(Z, "no return at end of function: %s", n1->sym->name);
 	noretval(3);
 	gbranch(ORETURN);