golang issue15303 代码
文件路径：/test/fixedbugs/issue15303.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.
/ Ensure that inlined struct/array comparisons have the right side-effects.
package main
import "os"
func main() {
var x int
f := func() (r [4]int) {
x++
return
}
_ = f() == f()
if x != 2 {
println("f evaluated ", x, " times, want 2")
os.Exit(1)
}
}