| // 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 | |
| } |