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// run
// Copyright 2017 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 (
"os"
"runtime"
)
func foo(x int) int {
return x + 1
}
func test() {
defer func() {
if r := recover(); r != nil {
pcs := make([]uintptr, 10)
n := runtime.Callers(0, pcs)
pcs = pcs[:n]
frames := runtime.CallersFrames(pcs)
for {
f, more := frames.Next()
if f.Function == "main.foo" {
println("did not expect to see call to foo in stack trace")
os.Exit(1)
}
if !more {
break
}
}
}
}()
var v []int
foo(v[0])
}
func bar(x ...int) int {
return x[0] + 1
}
func testVariadic() {
defer func() {
if r := recover(); r != nil {
pcs := make([]uintptr, 10)
n := runtime.Callers(0, pcs)
pcs = pcs[:n]
frames := runtime.CallersFrames(pcs)
for {
f, more := frames.Next()
if f.Function == "main.bar" {
println("did not expect to see call to bar in stack trace")
os.Exit(1)
}
if !more {
break
}
}
}
}()
var v []int
bar(v[0])
}
func main() {
test()
testVariadic()
}