1 files changed, 18 insertions, 0 deletions
diff --git a/test/fixedbugs/issue21221.go b/test/fixedbugs/issue21221.go
new file mode 100644
index 0000000..bd5a4b5
--- /dev/null
+++ b/test/fixedbugs/issue21221.go
@@ -0,0 +1,18 @@
+// run
+
+// Copyright 2018 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() {
+	if unsafe.Pointer(uintptr(0)) != unsafe.Pointer(nil) {
+		panic("fail")
+	}
+	if (*int)(unsafe.Pointer(uintptr(0))) != (*int)(nil) {
+		panic("fail")
+	}
+}