File: issue25897a.go

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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// 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

func main() {
	runtime.GOMAXPROCS(1)
	c := make(chan bool, N)
	for i := 0; i < N; i++ {
		f := reflect.MakeFunc(reflect.TypeOf(((func(*int))(nil))),
			func(args []reflect.Value) []reflect.Value {
				c <- true
				return nil
			}).Interface().(func(*int))
		go f(nil)
	}
	runtime.GC()
	for i := 0; i < N; i++ {
		<-c
	}
}