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      1 // run
      2 
      3 // Copyright 2017 The Go Authors. All rights reserved.
      4 // Use of this source code is governed by a BSD-style
      5 // license that can be found in the LICENSE file.
      6 
      7 // The compiler was panicking on the wrong line number, where
      8 // the panic was occurring in an inlined call.
      9 
     10 package main
     11 
     12 import (
     13 	"runtime/debug"
     14 	"strings"
     15 )
     16 
     17 type Wrapper struct {
     18 	a []int
     19 }
     20 
     21 func (w Wrapper) Get(i int) int {
     22 	return w.a[i]
     23 }
     24 
     25 func main() {
     26 	defer func() {
     27 		e := recover()
     28 		if e == nil {
     29 			panic("bounds check didn't fail")
     30 		}
     31 		stk := string(debug.Stack())
     32 		if !strings.Contains(stk, "issue22083.go:40") {
     33 			panic("wrong stack trace: " + stk)
     34 		}
     35 	}()
     36 	foo := Wrapper{a: []int{0, 1, 2}}
     37 	_ = foo.Get(0)
     38 	_ = foo.Get(1)
     39 	_ = foo.Get(2)
     40 	_ = foo.Get(3) // stack trace should mention this line
     41 }
     42