gc: bug291

Fixes #915.

R=ken2
CC=golang-dev
https://golang.org/cl/1856042

src/cmd/gc/sinit.c

@@ -92,15 +92,9 @@ init1(Node *n, NodeList **out)
 			break;
 
 		case OAS2FUNC:
-			if(n->defn->initorder)
-				break;
-			n->defn->initorder = 1;
-			for(l=n->defn->rlist; l; l=l->next)
-				init1(l->n, out);
-			*out = list(*out, n->defn);
-			break;
-
 		case OAS2MAPR:
+		case OAS2DOTTYPE:
+		case OAS2RECV:
 			if(n->defn->initorder)
 				break;
 			n->defn->initorder = 1;

test/fixedbugs/bug291.go

@@ -0,0 +1,23 @@
+// $G $D/$F.go && $L $F.$A && ./$A.out
+
+// Copyright 2010 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.
+
+// http://code.google.com/p/go/issues/detail?id=915
+
+package main
+
+type T struct {
+	x int
+}
+
+var t = &T{42}
+var i interface{} = t
+var tt, ok = i.(*T)
+
+func main() {
+	if tt == nil || tt.x != 42 {
+		println("BUG")
+	}
+}

test/golden.out

@@ -177,6 +177,3 @@ panic PC=xxx
 =========== bugs/bug260.go
 FAIL
 BUG: bug260 failed
-
-=========== bugs/bug274.go
-BUG: errchk: command succeeded unexpectedly