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shift bug in constant evaluator

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R=ken
OCL=18031
CL=18031
This commit is contained in:
Russ Cox 2008-10-29 13:46:55 -07:00
parent 4a3ce5f19e
commit 11a978adf5
1 changed files with 23 additions and 0 deletions
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23
test/bugs/bug114.go Normal file
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// $G $D/$F.go && $L $F.$A && (./$A.out || echo BUG: bug114 failed)
// 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
const B32 = 1<<32 - 1
const C32 = (-1) & ((1<<32) - 1)
const D32 = ^0
func main() {
if B32 != 0xFFFFFFFF {
panicln("1<<32 - 1 is", B32, "should be", 0xFFFFFFFF)
}
if C32 != 0xFFFFFFFF {
panicln("(-1) & ((1<<32) - 1) is", C32, "should be", 0xFFFFFFFF)
}
if D32 != -1 {
panicln("^0 is", D32, "should be", -1)
}
}