regress-592341.js 856 Bytes
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12
// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --allow-natives-syntax

function id(a) {
  return a;
}

(function LiteralCompareNullDeopt() {
  function f() {
13 14 15
    return id(null == %DeoptimizeNow());
  };
  %PrepareFunctionForOptimization(f);
16 17 18 19 20 21
  %OptimizeFunctionOnNextCall(f);
  assertTrue(f());
})();

(function LiteralCompareUndefinedDeopt() {
  function f() {
22 23 24
    return id(undefined == %DeoptimizeNow());
  };
  %PrepareFunctionForOptimization(f);
25 26 27 28 29 30
  %OptimizeFunctionOnNextCall(f);
  assertTrue(f());
})();

(function LiteralCompareTypeofDeopt() {
  function f() {
31 32 33
    return id('undefined' == typeof %DeoptimizeNow());
  };
  %PrepareFunctionForOptimization(f);
34 35 36
  %OptimizeFunctionOnNextCall(f);
  assertTrue(f());
})();