bug356.go

     1  // run
     2  
     3  // Copyright 2011 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  // issue 1808
     8  
     9  package main
    10  
    11  func main() {
    12  	var i uint64
    13  	var x int = 12345
    14  
    15  	if y := x << (i&5); y != 12345<<0 {
    16  		println("BUG bug344", y)
    17  		return
    18  	}
    19  
    20  	i++
    21  	if y := x << (i&5); y != 12345<<1 {
    22  		println("BUG bug344a", y)
    23  	}
    24  
    25  	i = 70
    26  	if y := x << i; y != 0 {
    27  		println("BUG bug344b", y)
    28  	}
    29  
    30  	i = 1<<32
    31  	if y := x << i; y != 0 {
    32  		println("BUG bug344c", y)
    33  	}
    34  }
    35  
    36  
    37  /*
    38  typecheck [1008592b0]
    39  .   INDREG a(1) l(15) x(24) tc(2) runtime.ret G0 string
    40  bug343.go:15: internal compiler error: typecheck INDREG
    41  */
    42
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