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Source file test/fixedbugs/bug221.go

Documentation: test/fixedbugs

     1  // run
     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  // function call arg reordering was picking out 1 call that
     8  // didn't need to be in a temporary, but it was picking
     9  // out the first call instead of the last call.
    10  // https://golang.org/issue/370
    11  
    12  package main
    13  
    14  var gen = 'a'
    15  
    16  func f(n int) string {
    17  	s := string(gen) + string(n+'A'-1)
    18  	gen++
    19  	return s
    20  }
    21  
    22  func g(x, y string) string {
    23  	return x + y
    24  }
    25  
    26  func main() {
    27  	s := f(1) + f(2)
    28  	if s != "aAbB" {
    29  		println("BUG: bug221a: ", s)
    30  		panic("fail")
    31  	}
    32  	s = g(f(3), f(4))
    33  	if s != "cCdD" {
    34  		println("BUG: bug221b: ", s)
    35  		panic("fail")
    36  	}
    37  	s = f(5) + f(6) + f(7) + f(8) + f(9)
    38  	if s != "eEfFgGhHiI" {
    39  		println("BUG: bug221c: ", s)
    40  		panic("fail")
    41  	}
    42  }
    43  

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