| Patrice Arruda | 7f4776e | 2020-06-25 11:55:41 -0700 | [diff] [blame] | 1 | // run |
| 2 | |
| 3 | // Copyright 2019 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 | // Check that deferring a nil function causes a proper |
| 8 | // panic when the deferred function is invoked (not |
| 9 | // when the function is deferred). |
| 10 | // See Issue #8047 and #34926. |
| 11 | |
| 12 | package main |
| 13 | |
| 14 | var x = 0 |
| 15 | |
| 16 | func main() { |
| 17 | defer func() { |
| 18 | err := recover() |
| 19 | if err == nil { |
| 20 | panic("did not panic") |
| 21 | } |
| 22 | if x != 1 { |
| 23 | panic("FAIL") |
| 24 | } |
| 25 | }() |
| 26 | f() |
| 27 | } |
| 28 | |
| 29 | func f() { |
| 30 | var nilf func() |
| 31 | defer nilf() |
| 32 | x = 1 |
| 33 | } |
