| // 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. | |
| package main | |
| import "time" | |
| type T struct{} | |
| func (*T) Foo(vals []interface{}) { | |
| switch v := vals[0].(type) { | |
| case string: | |
| _ = v | |
| } | |
| } | |
| type R struct{ *T } | |
| type Q interface { | |
| Foo([]interface{}) | |
| } | |
| func main() { | |
| var q Q = &R{&T{}} | |
| for i := 0; i < 10000; i++ { | |
| go func() { | |
| defer q.Foo([]interface{}{"meow"}) | |
| time.Sleep(100 * time.Millisecond) | |
| }() | |
| } | |
| time.Sleep(1 * time.Second) | |
| } |