mirror of
https://github.com/golang/go
synced 2024-11-25 12:47:56 -07:00
34 lines
563 B
Go
34 lines
563 B
Go
|
// 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
|
||
|
|
}
|