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go/test/bugs/bug097.go
Robert Griesemer 24b3995cb6 - 2 bugs with composite literals
R=r
OCL=15179
CL=15179
2008-09-11 17:11:16 -07:00

48 lines
1.2 KiB
Go

// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG wrong result
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
type A []int;
func main() {
var a [3]*A;
for i := 0; i < 3; i++ {
a[i] = &A{i};
}
if a[0][0] != 0 { panic(); }
if a[1][0] != 1 { panic(); }
if a[2][0] != 2 { panic(); }
}
/*
uetli:~/Source/go1/test/bugs gri$ 6g bug097.go && 6l bug097.6 && 6.out
panic on line 342 PC=0x13c2
0x13c2?zi
main·main(1, 0, 1606416416, ...)
main·main(0x1, 0x7fff5fbff820, 0x0, ...)
SIGTRAP: trace trap
Faulting address: 0x4558
pc: 0x4558
0x4558?zi
sys·breakpoint(40960, 0, 45128, ...)
sys·breakpoint(0xa000, 0xb048, 0xa000, ...)
0x156a?zi
sys·panicl(342, 0, 0, ...)
sys·panicl(0x156, 0x300000000, 0xb024, ...)
0x13c2?zi
main·main(1, 0, 1606416416, ...)
main·main(0x1, 0x7fff5fbff820, 0x0, ...)
*/
/* An array composite literal needs to be created freshly every time.
It is a "construction" of an array after all. If I pass the address
of the array to some function, it may store it globally. Same applies
to struct literals.
*/