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// run
// Copyright 2011 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.
// Test zero length structs.
// Used to not be evaluated.
// Issue 2232.
package main
func recv(c chan interface{}) struct{} {
return (<-c).(struct{})
}
var m = make(map[interface{}]int)
func recv1(c chan interface{}) {
defer rec()
m[(<-c).(struct{})] = 0
}
func rec() {
recover()
}
func main() {
c := make(chan interface{})
go recv(c)
c <- struct{}{}
go recv1(c)
c <- struct{}{}
}