You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
22 lines
605 B
22 lines
605 B
4 months ago
|
// errorcheck
|
||
|
|
|
||
|
|
// 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.
|
||
|
|
|
||
|
|
// Verify that large integer constant expressions cause overflow.
|
||
|
|
// Does not compile.
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
const (
|
||
|
|
A int = 1
|
||
|
|
B byte; // ERROR "type without expr|expected .=."
|
||
|
|
)
|
||
|
|
|
||
|
|
const LargeA = 1000000000000000000
|
||
|
|
const LargeB = LargeA * LargeA * LargeA
|
||
|
|
const LargeC = LargeB * LargeB * LargeB // GC_ERROR "constant multiplication overflow"
|
||
|
|
|
||
|
|
const AlsoLargeA = LargeA << 400 << 400 >> 400 >> 400 // GC_ERROR "constant shift overflow"
|