1// run
2
3// Copyright 2017 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package main
8
9var a uint8
10
11//go:noinline
12func f() {
13	b := int8(func() int32 { return -1 }())
14	a = uint8(b)
15	if int32(a) != 255 {
16		// Failing case prints 'got 255 expected 255'
17		println("got", a, "expected 255")
18	}
19}
20
21//go:noinline
22func g() {
23	b := int8(func() uint32 { return 0xffffffff }())
24	a = uint8(b)
25	if int32(a) != 255 {
26		// Failing case prints 'got 255 expected 255'
27		println("got", a, "expected 255")
28	}
29}
30
31func main() {
32	f()
33	g()
34}
35