gc: composite literal double eval bug

Fixes #2086.

R=ken2
CC=golang-dev
https://golang.org/cl/4803055

src/cmd/gc/pgen.c

@@ -189,7 +189,7 @@ compactframe(Prog* ptxt)
 			continue;
 
 		w = n->type->width;
-		if((w >= MAXWIDTH) || (w < 0))
+		if(w >= MAXWIDTH || w < 0)
 			fatal("bad width");
 		stksize += w;
 		stksize = rnd(stksize, n->type->align);

src/cmd/gc/sinit.c

@@ -686,7 +686,7 @@ anylit(int ctxt, Node *n, Node *var, NodeList **init)
 			if(ctxt == 0) {
 				// lay out static data
 				vstat = staticname(t, ctxt);
-				structlit(1, 1, n, vstat, init);
+				structlit(ctxt, 1, n, vstat, init);
 
 				// copy static to var
 				a = nod(OAS, var, vstat);

test/fixedbugs/bug354.go

+// $G $D/$F.go || echo BUG: bug354
+
+// 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 2086
+// was calling makeclosure twice on the closure
+
+package main
+
+import (
+	"os"
+)
+
+type Inner struct {
+	F func() os.Error
+}
+
+type Outer struct {
+	Inners []Inner
+}
+
+// calls makeclosure twice on same closure
+
+var Foo = Outer{[]Inner{Inner{func() os.Error{ return nil }}}}