/usr/share/go-1.7/test/const2.go is in golang-1.7-src 1.7.4-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | // 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"
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