golang issue26105 代码
文件路径：/test/fixedbugs/issue26105.go
/ compile
/ Copyright 2018 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.
/ Triggers a bug in writebarrier, which inserts one
/ between (first block) OpAddr x and (second block) a VarDef x,
/ which are then in the wrong order and unable to be
/ properly scheduled.
package q
var S interface{}
func F(n int) {
fun := func(x int) int {
S = 1
return n
}
i := fun(([]int{})[n])
var fc [2]chan int
S = (([1][2]chan int{fc})[i][i])
}