Source file test/fixedbugs/issue25897b.go

     1  // run
     2  
     3  // Copyright 2019 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Make sure the runtime can scan args of an unstarted goroutine
     8  // which starts with a reflect-generated function.
     9  
    10  package main
    11  
    12  import (
    13  	"reflect"
    14  	"runtime"
    15  )
    16  
    17  const N = 100
    18  
    19  type T struct {
    20  }
    21  
    22  func (t *T) Foo(c chan bool) {
    23  	c <- true
    24  }
    25  
    26  func main() {
    27  	t := &T{}
    28  	runtime.GOMAXPROCS(1)
    29  	c := make(chan bool, N)
    30  	for i := 0; i < N; i++ {
    31  		f := reflect.ValueOf(t).MethodByName("Foo").Interface().(func(chan bool))
    32  		go f(c)
    33  	}
    34  	runtime.GC()
    35  	for i := 0; i < N; i++ {
    36  		<-c
    37  	}
    38  }
    39  

View as plain text