wrong code for array access

R=r
OCL=19107
CL=19109

test/bugs/bug119.go

+// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: should not fail
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+func foo(a *[]int) int {
+	return (*a)[0]  // this seesm to do the wrong thing
+}
+
+func main() {
+	a := &[]int{12};
+	if x := a[0]   ; x != 12 { panicln(1, x) }
+	if x := (*a)[0]; x != 12 { panicln(2, x) }
+	if x := foo(a) ; x != 12 { panicln(3, x) }  // fails (x is incorrect)
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6go bug119
+3 70160
+
+panic on line 83 PC=0x14d6
+0x14d6?zi
+	main·main(23659, 0, 1, ...)
+	main·main(0x5c6b, 0x1, 0x7fff5fbff830, ...)
+0x52bb?zi
+	mainstart(1, 0, 1606416432, ...)
+	mainstart(0x1, 0x7fff5fbff830, 0x0, ...)
+uetli:~/Source/go1/test/bugs gri$ 
+*/