go/test/fixedbugs/issue16760.go
zhengjianxun 1391d4142c fix typo in issue16760.go
fix typo in issue16760.go, unconditinally ->  unconditionally

Change-Id: I3a04fbcb23395c562821b35bc2d81cfaec0bc1ed
GitHub-Last-Rev: 5ce52a3deb
GitHub-Pull-Request: golang/go#44495
Reviewed-on: https://go-review.googlesource.com/c/go/+/294969
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: zhengjianxun <zhuimengshaonian04@gmail.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
2021-02-22 22:53:51 +00:00

42 lines
796 B
Go

// run
// Copyright 2016 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.
// Make sure we don't start marshaling (writing to the stack)
// arguments until those arguments are evaluated and known
// not to unconditionally panic. If they unconditionally panic,
// we write some args but never do the call. That messes up
// the logic which decides how big the argout section needs to be.
package main
type W interface {
Write([]byte)
}
type F func(W)
func foo(f F) {
defer func() {
if r := recover(); r != nil {
usestack(1000)
}
}()
f(nil)
}
func main() {
foo(func(w W) {
var x []string
w.Write([]byte(x[5]))
})
}
func usestack(n int) {
if n == 0 {
return
}
usestack(n - 1)
}