File: bug348.go

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (46 lines) | stat: -rw-r--r-- 800 bytes parent folder | download | duplicates (43) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
// run

// 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()
}