summaryrefslogtreecommitdiff
path: root/test/nilptr/arrayindex.go
diff options
context:
space:
mode:
Diffstat (limited to 'test/nilptr/arrayindex.go')
-rw-r--r--test/nilptr/arrayindex.go26
1 files changed, 0 insertions, 26 deletions
diff --git a/test/nilptr/arrayindex.go b/test/nilptr/arrayindex.go
deleted file mode 100644
index fa26532c6..000000000
--- a/test/nilptr/arrayindex.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// $G $D/$F.go && $L $F.$A &&
-// ((! sh -c ./$A.out) >/dev/null 2>&1 || echo BUG: should fail)
-
-// Copyright 2009 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 "unsafe"
-
-var x byte
-
-func main() {
- var p *[1<<30]byte = nil
- x = 123
-
- // The problem here is not the use of unsafe:
- // it is that indexing into p[] with a large
- // enough index jumps out of the unmapped section
- // at the beginning of memory and into valid memory.
- // Pointer offsets and array indices, if they are
- // very large, need to dereference the base pointer
- // to trigger a trap.
- println(p[uintptr(unsafe.Pointer(&x))]) // should crash
-}