| // 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 // ERROR "constant multiplication overflow" |
| |
| const AlsoLargeA = LargeA << 400 << 400 >> 400 >> 400 // ERROR "constant shift overflow" |
