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go/test/fixedbugs/issue5856.go
Russ Cox f8f630f5ec runtime: use reflect.call during panic instead of newstackcall
newstackcall creates a new stack segment, and we want to
be able to throw away all that code.

LGTM=khr
R=khr, iant
CC=dvyukov, golang-codereviews, r
https://golang.org/cl/139270043
2014-09-05 16:51:45 -04:00

39 lines
587 B
Go

// run
// Copyright 2013 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 (
"fmt"
"os"
"runtime"
"strings"
)
func main() {
f()
panic("deferred function not run")
}
var x = 1
func f() {
if x == 0 {
return
}
defer g()
panic("panic")
}
func g() {
_, file, line, _ := runtime.Caller(3)
if !strings.HasSuffix(file, "issue5856.go") || line != 28 {
fmt.Printf("BUG: defer called from %s:%d, want issue5856.go:28\n", file, line)
os.Exit(1)
}
os.Exit(0)
}