mirror of
https://github.com/golang/go
synced 2024-11-06 00:16:10 -07:00
e3f1c66f31
The generated code for interface stubs sometimes just messes with a few of the args and then tail-calls to the target routine. The args that aren't explicitly modified appear to not be used. But they are used, by the thing we're tail calling. Fixes #16016 Change-Id: Ib9b3a8311bb714a201daee002885fcb59e0463fa Reviewed-on: https://go-review.googlesource.com/23960 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com>
36 lines
565 B
Go
36 lines
565 B
Go
// 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)
|
|
}
|