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https://github.com/golang/go
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49 lines
712 B
Go
49 lines
712 B
Go
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// run
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// Copyright 2014 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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// Issue 8155.
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// Alignment of stack prologue zeroing was wrong on 64-bit Native Client
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// (because of 32-bit pointers).
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package main
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import "runtime"
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func bad(b bool) uintptr {
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var p **int
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var x1 uintptr
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x1 = 1
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if b {
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var x [11]*int
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p = &x[0]
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}
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if b {
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var x [1]*int
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p = &x[0]
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}
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runtime.GC()
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if p != nil {
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x1 = uintptr(**p)
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}
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return x1
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}
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func poison() uintptr {
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runtime.GC()
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var x [20]uintptr
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var s uintptr
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for i := range x {
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x[i] = uintptr(i+1)
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s += x[i]
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}
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return s
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}
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func main() {
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poison()
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bad(false)
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}
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