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Source file test/const2.go

Documentation: test

     1  // errorcheck
     2  
     3  // Copyright 2009 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Verify that large integer constant expressions cause overflow.
     8  // Does not compile.
     9  
    10  package main
    11  
    12  const (
    13  	A int = 1
    14  	B byte;	// ERROR "type without expr|expected .=."
    15  )
    16  
    17  const LargeA = 1000000000000000000
    18  const LargeB = LargeA * LargeA * LargeA
    19  const LargeC = LargeB * LargeB * LargeB // GC_ERROR "constant multiplication overflow"
    20  
    21  const AlsoLargeA = LargeA << 400 << 400 >> 400 >> 400 // GC_ERROR "constant shift overflow"
    22  

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