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22 lines
605 B
22 lines
605 B
// errorcheck
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Verify that large integer constant expressions cause overflow.
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// Does not compile.
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package main
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const (
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A int = 1
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B byte; // ERROR "type without expr|expected .=."
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)
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const LargeA = 1000000000000000000
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const LargeB = LargeA * LargeA * LargeA
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const LargeC = LargeB * LargeB * LargeB // GC_ERROR "constant multiplication overflow"
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const AlsoLargeA = LargeA << 400 << 400 >> 400 >> 400 // GC_ERROR "constant shift overflow"
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