1 files changed, 18 insertions, 0 deletions
diff --git a/test/fixedbugs/issue20530.go b/test/fixedbugs/issue20530.go
new file mode 100644
index 0000000000..7027b10745
--- /dev/null
+++ b/test/fixedbugs/issue20530.go
@@ -0,0 +1,18 @@
+// run
+
+// Copyright 2017 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
+
+var a uint8
+
+func main() {
+	b := int8(func() int32 { return -1 }())
+	a = uint8(b)
+	if int32(a) != 255 {
+		// Failing case prints 'got 255 expected 255'
+		println("got", a, "expected 255")
+	}
+}