| // run |
| |
| // Copyright 2019 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. |
| |
| // Check that deferring a nil function causes a proper |
| // panic when the deferred function is invoked (not |
| // when the function is deferred). |
| // See Issue #8047 and #34926. |
| |
| package main |
| |
| var x = 0 |
| |
| func main() { |
| defer func() { |
| err := recover() |
| if err == nil { |
| panic("did not panic") |
| } |
| if x != 1 { |
| panic("FAIL") |
| } |
| }() |
| f() |
| } |
| |
| func f() { |
| var nilf func() |
| defer nilf() |
| x = 1 |
| } |