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Source file test/const2.go

Documentation: test

  // 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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