mirror of
https://github.com/golang/go
synced 2024-11-22 20:24:47 -07:00
132f9fa9f8
For https://gcc.gnu.org/PR114453 Change-Id: If41d9fca6288b18ed47b0f21ff224c74ddb34958 Reviewed-on: https://go-review.googlesource.com/c/go/+/574536 Reviewed-by: Than McIntosh <thanm@google.com> Auto-Submit: Ian Lance Taylor <iant@golang.org> Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com> Reviewed-by: Cherry Mui <cherryyz@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
50 lines
877 B
Go
50 lines
877 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 (
|
|
"runtime"
|
|
"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 count = 10000
|
|
if runtime.Compiler == "gccgo" {
|
|
// On targets without split-stack libgo allocates
|
|
// a large stack for each goroutine. On 32-bit
|
|
// systems this test can run out of memory.
|
|
const intSize = 32 << (^uint(0) >> 63) // 32 or 64
|
|
if intSize < 64 {
|
|
count = 100
|
|
}
|
|
}
|
|
|
|
var q Q = &R{&T{}}
|
|
for i := 0; i < count; i++ {
|
|
go func() {
|
|
defer q.Foo([]interface{}{"meow"})
|
|
time.Sleep(100 * time.Millisecond)
|
|
}()
|
|
}
|
|
time.Sleep(1 * time.Second)
|
|
}
|