bug097.go

     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  package main
     8  
     9  type A []int
    10  
    11  func main() {
    12  	var a [3]A
    13  	for i := 0; i < 3; i++ {
    14  		a[i] = A{i}
    15  	}
    16  	if a[0][0] != 0 {
    17  		panic("fail a[0][0]")
    18  	}
    19  	if a[1][0] != 1 {
    20  		panic("fail a[1][0]")
    21  	}
    22  	if a[2][0] != 2 {
    23  		panic("fail a[2][0]")
    24  	}
    25  }
    26  
    27  /*
    28  uetli:~/Source/go1/test/bugs gri$ 6g bug097.go && 6l bug097.6 && 6.out
    29  
    30  panic on line 342 PC=0x13c2
    31  0x13c2?zi
    32  	main·main(1, 0, 1606416416, ...)
    33  	main·main(0x1, 0x7fff5fbff820, 0x0, ...)
    34  SIGTRAP: trace trap
    35  Faulting address: 0x4558
    36  pc: 0x4558
    37  
    38  0x4558?zi
    39  	sys·Breakpoint(40960, 0, 45128, ...)
    40  	sys·Breakpoint(0xa000, 0xb048, 0xa000, ...)
    41  0x156a?zi
    42  	sys·panicl(342, 0, 0, ...)
    43  	sys·panicl(0x156, 0x300000000, 0xb024, ...)
    44  0x13c2?zi
    45  	main·main(1, 0, 1606416416, ...)
    46  	main·main(0x1, 0x7fff5fbff820, 0x0, ...)
    47  */
    48  
    49  /* An array composite literal needs to be created freshly every time.
    50  It is a "construction" of an array after all. If I pass the address
    51  of the array to some function, it may store it globally. Same applies
    52  to struct literals.
    53  */
    54
View as plain text