| Dan Willemsen | d279748 | 2017-07-26 13:13:13 -0700 | [diff] [blame] | 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 | |
| 7 | package main |
| 8 | |
| 9 | var a uint8 |
| 10 | |
| 11 | //go:noinline |
| 12 | func 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 |
| 22 | func 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 | |
| 31 | func main() { |
| 32 | f() |
| 33 | g() |
| 34 | } |