go ifacemethod4 源码
golang ifacemethod4 代码
文件路径：/src/cmd/link/internal/ld/testdata/deadcode/ifacemethod4.go
// 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.
// Test that a live type's method is not live even if
// it matches an interface method, as long as the interface
// method is not used.
package main
type T int
//go:noinline
func (T) M() {}
type I interface{ M() }
var p *T
var pp *I
func main() {
p = new(T) // use type T
pp = new(I) // use type I
*pp = *p // convert T to I, build itab
}
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