fixed-context-shapes-when-recompiling.js 20.3 KB
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// 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.

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// Flags: --allow-natives-syntax --lazy-inner-functions
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// Test that the information on which variables to allocate in context doesn't
// change when recompiling.

(function TestVarInInnerFunction() {
  // Introduce variables which would potentially be context allocated, depending
  // on whether an inner function refers to them or not.
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    var a; // This will make "a" actually not be context allocated.
    a; b; c;
  }
  // Force recompilation.
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();


// Other tests are the same, except that the shadowing variable "a" in inner
// functions is declared differently.

(function TestLetInInnerFunction() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    let a;
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestConstInInnerFunction() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    const a = 0;
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerFunctionParameter() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner(a) {
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerFunctionRestParameter() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner(...a) {
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerFunctionDestructuredParameter_1() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner([d, a]) {
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuredParameter_2() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner({d, a}) {
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerArrowFunctionParameter() {
  var a = 1;
  var b = 2;
  var c = 3;
  (a) => { a; b; c; }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerArrowFunctionRestParameter() {
  var a = 1;
  var b = 2;
  var c = 3;
  (...a) => { a; b; c; }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerArrowFunctionDestructuredParameter_1() {
  var a = 1;
  var b = 2;
  var c = 3;
  ([d, a]) => { a; b; c; }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerArrowFunctionDestructuredParameter_2() {
  var a = 1;
  var b = 2;
  var c = 3;
  ({d, a}) => { a; b; c;  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerInnerFunctionParameter() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    function innerinner(a) { a; b; c; }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerInnerFunctionRestParameter() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    function innerinner(...a) { a; b; c; }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerInnerFunctionDestructuredParameter_1() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    function innerinner({d, a}) { a; b; c; }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerInnerFunctionDestructuredParameter_2() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    function innerinner([d, a]) { a; b; c; }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerInnerArrowFunctionParameter() {
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  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    var f = a => a + b + c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerInnerArrowFunctionRestParameter() {
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  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    var f = (...a) => a + b + c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerInnerArrowFunctionDestructuredParameter_1() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    var f = ([d, a]) => a + b + c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerInnerArrowFunctionDestructuredParameter_2() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    var f = ({d, a}) => a + b + c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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(function TestInnerFunctionInnerFunction() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    function a() { }
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionSloppyBlockFunction() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    if (true) { function a() { } }
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionCatchVariable() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    try {
    }
    catch(a) {
      a; b; c;
    }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionLoopVariable1() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    for (var a in {}) {
      a; b; c;
    }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionLoopVariable2() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    for (let a in {}) {
      a; b; c;
    }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionLoopVariable3() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    for (var a of []) {
      a; b; c;
    }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionLoopVariable4() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    for (let a of []) {
      a; b; c;
    }
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionClass() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    class a {}
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();
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(function TestInnerFunctionDestructuring1() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    var [a, a2] = [1, 2];
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuring2() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    let [a, a2] = [1, 2];
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuring3() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    const [a, a2] = [1, 2];
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuring4() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    var [a2, ...a] = [1, 2];
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuring5() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    let [a2, ...a] = [1, 2];
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuring6() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    const [a2, ...a] = [1, 2];
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuring7() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    var {a, a2} = {a: 1, a2: 2};
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuring8() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    let {a, a2} = {a: 1, a2: 2};
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

(function TestInnerFunctionDestructuring9() {
  var a = 1;
  var b = 2;
  var c = 3;
  function inner() {
    const {a, a2} = {a: 1, a2: 2};
    a; b; c;
  }
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    assertEquals(1, a);
    assertEquals(2, b);
    assertEquals(3, c);
  }
})();

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// A cluster of similar tests where the inner function only declares a variable
// whose name clashes with an outer function variable name, but doesn't use it.
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(function TestRegress650969_1_var() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      var a;
    }
  }
})();

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(function TestRegress650969_1_let() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
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      let a;
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    }
  }
})();

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(function TestRegress650969_2_var() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
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      var a = 6;
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    }
  }
})();

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(function TestRegress650969_2_let() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
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      let a = 6;
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    }
  }
})();

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(function TestRegress650969_2_const() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
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      const a = 6;
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    }
  }
})();

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(function TestRegress650969_3_var() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
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      var a, b;
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    }
  }
})();

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(function TestRegress650969_3_let() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      let a, b;
    }
  }
})();

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(function TestRegress650969_4_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      var a = 6, b;
    }
  }
})();

(function TestRegress650969_4_let() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      let a = 6, b;
    }
  }
})();

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(function TestRegress650969_4_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      const a = 0, b = 0;
    }
  }
})();

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(function TestRegress650969_9_parameter() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner(a) {}
  }
})();

(function TestRegress650969_9_restParameter() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner(...a) {}
  }
})();

(function TestRegress650969_9_destructuredParameter_1() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner([d, a]) {}
  }
})();

(function TestRegress650969_9_destructuredParameter_2() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner({d, a}) {}
  }
})();

(function TestRegress650969_10_parameter() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      function innerinner(a) {}
    }
  }
})();

(function TestRegress650969_10_restParameter() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
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    function inner() {
      function innerinner(...a) {}
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    }
  }
})();
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(function TestRegress650969_10_destructuredParameter_1() {
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  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
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    function inner() {
      function innerinner([d, a]) {}
    }
  }
})();

(function TestRegress650969_10_destructuredParameter_2() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      function innerinner({d, a}) {}
854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
    }
  }
})();

(function TestRegress650969_11_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      var [a, b] = [1, 2];
    }
  }
})();

(function TestRegress650969_11_let() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      let [a, b] = [1, 2];
    }
  }
})();

(function TestRegress650969_11_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      const [a, b] = [1, 2];
    }
  }
})();

(function TestRegress650969_12_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      var [b, a] = [1, 2];
    }
  }
})();

(function TestRegress650969_12_let() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      let [b, a] = [1, 2];
    }
  }
})();

(function TestRegress650969_12_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      const [b, a] = [1, 2];
    }
  }
})();

(function TestRegress650969_13_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      var [b, ...a] = [1, 2];
    }
  }
})();

(function TestRegress650969_13_let() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      let [b, ...a] = [1, 2];
    }
  }
})();

(function TestRegress650969_13_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      const [b, ...a] = [1, 2];
    }
  }
})();

(function TestRegress650969_14_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      var {a, b} = {a: 1, b: 2};
    }
  }
})();

(function TestRegress650969_14_let() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      let {a, b} = {a: 1, b: 2};
    }
  }
})();

(function TestRegress650969_14_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      const {a, b} = {a: 1, b: 2};
    }
  }
})();

(function TestRegress650969_15_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      var {b: {a}, c} = {b: {a: 1}, c: 2};
    }
  }
})();

(function TestRegress650969_15_let() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      let {b: {a}, c} = {b: {a: 1}, c: 2};
    }
  }
})();

(function TestRegress650969_15_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      const {b: {a}, c} = {b: {a: 1}, c: 2};
    }
  }
})();

(function TestRegress650969_16_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      var {a: {b}, c} = {a: {b: 1}, c: 2};
    }
  }
})();

(function TestRegress650969_16_let() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      let {a: {b}, c} = {a: {b: 1}, c: 2};
    }
  }
})();

(function TestRegress650969_16_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      const {a: {b}, c} = {a: {b: 1}, c: 2};
    }
  }
})();

(function TestRegress650969_17_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      for (var a = 0; 0 == 1; ) { }
    }
  }
})();

(function TestRegress650969_17_let() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      for (let a = 0; 0 == 1; ) { }
    }
  }
})();

(function TestRegress650969_17_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      for (const a = 0; 0 == 1; ) { }
    }
  }
})();

1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133
(function TestRegress650969_18() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      function innerinner([a, b]) {}
    }
  }
})();

(function TestRegress650969_18() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a;
    function inner() {
      function innerinner(a) {}
    }
  }
})();

1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173
// Regression tests for an intermediate stage where unresolved references were
// discarded too aggressively.
(function TestRegress650969_sidetrack_var() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a = 0;
    function inner() {
      return a;
      var {b: {a}, c} = {b: {a: 1}, c: 2};
    }
  }
})();

(function TestRegress650969_sidetrack_let() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a = 0;
    function inner() {
      return a;
      let {b: {a}, c} = {b: {a: 1}, c: 2};
    }
  }
})();

(function TestRegress650969_sidetrack_const() {
  for (var i = 0; i < 3; ++i) {
    if (i == 1) {
      %OptimizeOsr();
    }
    var a = 0;
    function inner() {
      return a;
      const {b: {a}, c} = {b: {a: 1}, c: 2};
    }
  }
})();