| // 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" |