From 41806ec26db3316c7ed4857bb3420cb34e61b28c Mon Sep 17 00:00:00 2001
From: Luuk van Dijk <lvd@golang.org>
Date: Mon, 9 Jan 2012 21:42:24 +0100
Subject: [PATCH] gc: remove now redundant typecheck of ->ninit on switches.

Fixes #2576.

R=rsc
CC=golang-dev
https://golang.org/cl/5498105
---
 src/cmd/gc/swt.c         |  1 -
 test/fixedbugs/bug391.go | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 test/fixedbugs/bug391.go

diff --git a/src/cmd/gc/swt.c b/src/cmd/gc/swt.c
index 7764f0dd35..8b1b93c7da 100644
--- a/src/cmd/gc/swt.c
+++ b/src/cmd/gc/swt.c
@@ -792,7 +792,6 @@ walkswitch(Node *sw)
 	 * cases have OGOTO into statements.
 	 * both have inserted OBREAK statements
 	 */
-	walkstmtlist(sw->ninit);
 	if(sw->ntest == N) {
 		sw->ntest = nodbool(1);
 		typecheck(&sw->ntest, Erv);
diff --git a/test/fixedbugs/bug391.go b/test/fixedbugs/bug391.go
new file mode 100644
index 0000000000..81507188b2
--- /dev/null
+++ b/test/fixedbugs/bug391.go
@@ -0,0 +1,14 @@
+// $G $D/$F.go || echo "Issue2576"
+
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 2576
+package bug
+
+type T struct { a int }
+
+func f(t T) {
+        switch _, _ = t.a, t.a; {}
+}
\ No newline at end of file