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![Cherry Zhang](/assets/img/avatar_default.png)
We never supported symbol larger than 2GB (issue #9862), so the object file uses 32-bit for symbol sizes. Check and reject too large symbol before truncating its size. Fixes #42054. Change-Id: I0d1d585ebdba9556f2fd3a97043bd4296d5cc9e4 Reviewed-on: https://go-review.googlesource.com/c/go/+/263641 Trust: Cherry Zhang <cherryyz@google.com> Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com> Run-TryBot: Cherry Zhang <cherryyz@google.com> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Go Bot <gobot@golang.org>
32 lines
584 B
Go
32 lines
584 B
Go
// skip
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// Copyright 2012 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 4348. After switch to 64-bit ints the compiler generates
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// illegal instructions when using large array bounds or indexes.
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// Skip. We reject symbols larger that 2GB (Issue #9862).
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package main
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// 1<<32 on a 64-bit machine, 1 otherwise.
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const LARGE = ^uint(0)>>32 + 1
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func A() int {
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var a []int
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return a[LARGE]
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}
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var b [LARGE]int
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func B(i int) int {
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return b[i]
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}
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func main() {
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n := A()
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B(n)
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}
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