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go/test/fixedbugs/issue4614.go

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cmd/gc: fix uintptr(nil) issues. A constant node of type uintptr with a nil literal could happen in two cases: []int(nil)[1:] and uintptr(unsafe.Pointer(nil)). Fixes #4614. R=golang-dev, rsc CC=golang-dev https://golang.org/cl/7059043
2013-01-07 16:23:02 -07:00
// compile
all: make copyright headers consistent with one space after period Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-04-10 15:32:26 -06:00
// Copyright 2012 The Go Authors. All rights reserved.
cmd/gc: fix uintptr(nil) issues. A constant node of type uintptr with a nil literal could happen in two cases: []int(nil)[1:] and uintptr(unsafe.Pointer(nil)). Fixes #4614. R=golang-dev, rsc CC=golang-dev https://golang.org/cl/7059043
2013-01-07 16:23:02 -07:00
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Issue 4614: slicing of nil slices confuses the compiler
// with a uintptr(nil) node.
package p
import "unsafe"
var n int
var _ = []int(nil)[1:]
var _ = []int(nil)[n:]
var _ = uintptr(unsafe.Pointer(nil))
var _ = unsafe.Pointer(uintptr(0))
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