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gc: remove now redundant typecheck of ->ninit on switches.

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Fixes #2576.

R=rsc
CC=golang-dev
https://golang.org/cl/5498105
This commit is contained in:
Luuk van Dijk 2012-01-09 21:42:24 +01:00
parent 900b8becb3
commit 41806ec26d
2 changed files with 14 additions and 1 deletions
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1
src/cmd/gc/swt.c
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@ -792,7 +792,6 @@ walkswitch(Node *sw)
* cases have OGOTO into statements. * cases have OGOTO into statements.
* both have inserted OBREAK statements * both have inserted OBREAK statements
*/ */
walkstmtlist(sw->ninit);
if(sw->ntest == N) { if(sw->ntest == N) {
sw->ntest = nodbool(1); sw->ntest = nodbool(1);
typecheck(&sw->ntest, Erv); typecheck(&sw->ntest, Erv);

14
test/fixedbugs/bug391.go Normal file
View File

@ -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; {}
}