Javascript  |  42行  |  2 KB

// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
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//       with the distribution.
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//
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// Flags: --allow-natives-syntax --nouse-inlining

// Test for negative zero that doesn't need bail out

function test_div_no_deopt_minus_zero() {
  var zero_in_array = [0];
  assertTrue(0 === (Math.floor((zero_in_array[0] | 0) / -1) | 0));
}

test_div_no_deopt_minus_zero();
test_div_no_deopt_minus_zero();
%OptimizeFunctionOnNextCall(test_div_no_deopt_minus_zero);
test_div_no_deopt_minus_zero();
assertOptimized(test_div_no_deopt_minus_zero);