| // 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 | |
| } |