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https://github.com/golang/go
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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
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// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"runtime"
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"time"
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)
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type T struct{}
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func (*T) Foo(vals []interface{}) {
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switch v := vals[0].(type) {
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case string:
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_ = v
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}
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}
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type R struct{ *T }
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type Q interface {
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Foo([]interface{})
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}
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func main() {
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var count = 10000
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if runtime.Compiler == "gccgo" {
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// On targets without split-stack libgo allocates
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// a large stack for each goroutine. On 32-bit
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// systems this test can run out of memory.
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const intSize = 32 << (^uint(0) >> 63) // 32 or 64
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if intSize < 64 {
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count = 100
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}
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}
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var q Q = &R{&T{}}
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for i := 0; i < count; i++ {
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go func() {
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defer q.Foo([]interface{}{"meow"})
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time.Sleep(100 * time.Millisecond)
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}()
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}
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time.Sleep(1 * time.Second)
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}
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