mirror of
https://github.com/golang/go
synced 2024-11-24 21:10:04 -07:00
47 lines
833 B
Go
47 lines
833 B
Go
// $G $D/$F.go && $L $F.$A && ./$A.out
|
|
|
|
// Copyright 2011 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.
|
|
|
|
package main
|
|
|
|
import (
|
|
"runtime"
|
|
"strings"
|
|
)
|
|
|
|
func f() {
|
|
var x *string
|
|
|
|
for _, i := range *x { // THIS IS LINE 17
|
|
println(i)
|
|
}
|
|
}
|
|
|
|
func g() {
|
|
}
|
|
|
|
func main() {
|
|
defer func() {
|
|
for i := 0;; i++ {
|
|
pc, file, line, ok := runtime.Caller(i)
|
|
if !ok {
|
|
print("BUG: bug348: cannot find caller\n")
|
|
return
|
|
}
|
|
if !strings.Contains(file, "bug348.go") || runtime.FuncForPC(pc).Name() != "main.f" {
|
|
// walk past runtime frames
|
|
continue
|
|
}
|
|
if line != 17 {
|
|
print("BUG: bug348: panic at ", file, ":", line, " in ", runtime.FuncForPC(pc).Name(), "\n")
|
|
return
|
|
}
|
|
recover()
|
|
return
|
|
}
|
|
}()
|
|
f()
|
|
}
|