From 41481388916f53595a30b943cb9cf30d712b9756 Mon Sep 17 00:00:00 2001
From: Andrew Gerrand <adg@golang.org>
Date: Sun, 15 Jun 2014 10:00:11 +1000
Subject: [PATCH] [release-branch.go1.3] go.tools/go/types/typeutil: use
 reflect instead of unsafe
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««« CL 105960043 / 3d86e17d25ff
go.tools/go/types/typeutil: use reflect instead of unsafe

Godoc depends on this package.
Packages that use unsafe cannot be deployed to App Engine.
Packages that use reflect can.
This package needn't use unsafe, so don't.

LGTM=adonovan, rsc
R=rsc, adonovan
CC=golang-codereviews
https://golang.org/cl/105960043
»»»

TBR=rsc
R=rsc
CC=golang-codereviews
https://golang.org/cl/104130044
---
 go/types/typeutil/map.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/go/types/typeutil/map.go b/go/types/typeutil/map.go
index 010df20c..69c3f135 100644
--- a/go/types/typeutil/map.go
+++ b/go/types/typeutil/map.go
@@ -9,7 +9,7 @@ package typeutil
 import (
 	"bytes"
 	"fmt"
-	"unsafe"
+	"reflect"
 
 	"code.google.com/p/go.tools/go/types"
 )
@@ -295,7 +295,7 @@ func (h Hasher) hashFor(t types.Type) uint32 {
 
 	case *types.Named:
 		// Not safe with a copying GC; objects may move.
-		return uint32(uintptr(unsafe.Pointer(t.Obj())))
+		return uint32(reflect.ValueOf(t.Obj()).Pointer())
 
 	case *types.Tuple:
 		return h.hashTuple(t)