golang/test/fixedbugs/issue25897b.go

39 lines
651 B
Go

// run
// Copyright 2019 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 the runtime can scan args of an unstarted goroutine
// which starts with a reflect-generated function.
package main
import (
"reflect"
"runtime"
)
const N = 100
type T struct {
}
func (t *T) Foo(c chan bool) {
c <- true
}
func main() {
t := &T{}
runtime.GOMAXPROCS(1)
c := make(chan bool, N)
for i := 0; i < N; i++ {
f := reflect.ValueOf(t).MethodByName("Foo").Interface().(func(chan bool))
go f(c)
}
runtime.GC()
for i := 0; i < N; i++ {
<-c
}
}