Source file test/fixedbugs/issue5809.go

     1  // run
     2  
     3  // Copyright 2013 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 5809: 6g and 8g attempted to constant propagate indexed LEA
     8  
     9  package main
    10  
    11  import "fmt"
    12  
    13  func main() {
    14  	const d16 = "0123456789ABCDEF"
    15  	k := 0x1234
    16  	var x [4]byte
    17  
    18  	x[0] = d16[k>>12&0xf]
    19  	x[1] = d16[k>>8&0xf]
    20  	x[2] = d16[k>>4&0xf]
    21  	x[3] = d16[k&0xf]
    22  
    23  	if x != [4]byte{'1','2','3','4'} {
    24  		fmt.Println(x)
    25  		panic("x != [4]byte{'1','2','3','4'}")
    26  	}
    27  }
    28  

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