|  | // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  | // Test that pair locations are remapped in slow path environments. | 
|  | // VMOptions=--optimization_counter_threshold=10 --no-use-osr --no-background_compilation | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | class A { | 
|  | final f; | 
|  | A(this.f); | 
|  | } | 
|  |  | 
|  | foo(int i) { | 
|  | int j = 0x7fffffffffffffff + i; | 
|  | var c = new A(j); // allocation will be sunk | 
|  | var r = 0; | 
|  | for (var k = 0; k < 10; k++) { | 
|  | if ((j & (1 << k)) != 0) { | 
|  | r++; | 
|  | } | 
|  | } | 
|  | return c.f - r; | 
|  | } | 
|  |  | 
|  | main() { | 
|  | for (var i = 0; i < 1000; i++) { | 
|  | Expect.equals(0x7fffffffffffffff - 10, foo(0)); | 
|  | } | 
|  | } |