add bug246 (issue 492)

R=r
CC=golang-dev
https://golang.org/cl/186216

1 files changed, 18 insertions, 0 deletions

diff --git a/test/bugs/bug246.go b/test/bugs/bug246.go
new file mode 100644
index 0000000000..e46cdfd048
--- /dev/null
+++ b/test/bugs/bug246.go
@@ -0,0 +1,18 @@
+// $G $D/$F.go || echo BUG: bug246
+
+// 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
+
+import "unsafe"
+
+func main() {
+	// works
+	addr := uintptr(0)
+	_ = (*int)(unsafe.Pointer(addr))
+
+	// fails
+	_ = (*int)(unsafe.Pointer(uintptr(0)))
+}