golang issue42784 代码
文件路径：/test/fixedbugs/issue42784.go
/ compile
/ Copyright 2020 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 late expansion correctly set OpLoad argument type interface{}
package p
type iface interface {
m()
}
type it interface{}
type makeIface func() iface
func f() {
var im makeIface
e := im().(it)
g(e)
}
/go:noinline
func g(i it) {}