[es6] do not add caller/arguments to ES6 function definitions

test/webkit/fast/js/basic-strict-mode.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 // 1.  Redistributions of source code must retain the above copyright
 //     notice, this list of conditions and the following disclaimer.
 // 2.  Redistributions in binary form must reproduce the above copyright
 //     notice, this list of conditions and the following disclaimer in the
@@ skipping 91 matching lines @@
 shouldThrow("(function f(){'use strict'; f.caller; })()");
 shouldThrow("(function f(){'use strict'; f.arguments=5; })()");
 shouldThrow("(function f(){'use strict'; f.caller=5; })()");
 shouldThrow("(function (arg){'use strict'; arguments.callee; })()");
 shouldThrow("(function (arg){'use strict'; arguments.caller; })()");
 shouldThrow("(function f(arg){'use strict'; f.arguments; })()");
 shouldThrow("(function f(arg){'use strict'; f.caller; })()");
 shouldThrow("(function f(arg){'use strict'; f.arguments=5; })()");
 shouldThrow("(function f(arg){'use strict'; f.caller=5; })()");
 
-// arguments/caller poisoning should be visible but not throw with 'in' & 'hasOwnProperty'.
+// arguments/caller poisoning should be visible on the intrinsic %FunctionPrototype%, but not throw with 'in' & 'hasOwnProperty'.
 shouldBeTrue('"caller" in function(){"use strict"}');
-shouldBeTrue('(function(){"use strict";}).hasOwnProperty("caller")');
+shouldBeFalse('(function(){"use strict";}).hasOwnProperty("caller")');
+shouldBeTrue('(function(){"use strict";}).__proto__.hasOwnProperty("caller")');
 shouldBeTrue('"arguments" in function(){"use strict"}');
-shouldBeTrue('(function(){"use strict";}).hasOwnProperty("arguments")');
+shouldBeFalse('(function(){"use strict";}).hasOwnProperty("arguments")');
+shouldBeTrue('(function(){"use strict";}).__proto__.hasOwnProperty("arguments")');
 
 shouldBeSyntaxError("'use strict'; (function (){with(1){};})");
 shouldBeSyntaxError("'use strict'; (function (){var a; delete a;})");
 shouldBeSyntaxError("'use strict'; var a; (function (){ delete a;})");
 shouldBeSyntaxError("var a; (function (){ 'use strict'; delete a;})");
 shouldBeSyntaxError("'misc directive'; 'use strict'; with({}){}");
 shouldThrow("'use strict'; return");
 shouldBeSyntaxError("'use strict'; break");
 shouldBeSyntaxError("'use strict'; continue");
 shouldThrow("'use strict'; for(;;)return");
@@ skipping 60 matching lines @@
 shouldBeTrue("(function (a){'use strict'; var local; (function (){local;})(); arguments[0]=true; return arguments; })(false)[0]");
 shouldBeTrue("(function (){'use strict';  var local; (function (){local;})(); arguments[0]=true; return arguments; })(false)[0]");
 shouldBeTrue("(function (a){'use strict'; var local; (function (){local;})(); arguments[0]=true; a=false; return arguments; })()[0]");
 shouldBeTrue("(function (a){'use strict'; var local; (function (){local;})(); arguments[0]=true; return arguments; })()[0]");
 shouldBeTrue("(function (a){'use strict'; var local; (function (){local;})(); arguments[0]=false; a=true; return a; })()");
 shouldBeTrue("(function (){'use strict';  var local; (function (){local;})(); arguments[0]=true; return arguments; })()[0]");
 
 shouldBeTrue("'use strict'; (function (){var a = true; eval('var a = false'); return a; })()");
 shouldBeTrue("(function (){var a = true; eval('\"use strict\"; var a = false'); return a; })()");
 
-shouldBeUndefined("(function f(arg){'use strict'; return Object.getOwnPropertyDescriptor(f, 'arguments').value; })()");
-shouldBeUndefined("(function f(arg){'use strict'; return Object.getOwnPropertyDescriptor(f, 'caller').value; })()");
+shouldBeUndefined("(function f(arg){'use strict'; return Object.getOwnPropertyDescriptor(f.__proto__, 'arguments').value; })()");
+shouldBeUndefined("(function f(arg){'use strict'; return Object.getOwnPropertyDescriptor(f.__proto__, 'caller').value; })()");
 shouldBeUndefined("(function f(arg){'use strict'; return Object.getOwnPropertyDescriptor(arguments, 'callee').value; })()");
 shouldBeUndefined("(function f(arg){'use strict'; return Object.getOwnPropertyDescriptor(arguments, 'caller').value; })()");
 shouldBeTrue("(function f(arg){'use strict'; var descriptor = Object.getOwnPropertyDescriptor(arguments, 'caller'); return descriptor.get === descriptor.set; })()");
 shouldBeTrue("(function f(arg){'use strict'; var descriptor = Object.getOwnPropertyDescriptor(arguments, 'callee'); return descriptor.get === descriptor.set; })()");
-shouldBeTrue("(function f(arg){'use strict'; var descriptor = Object.getOwnPropertyDescriptor(f, 'caller'); return descriptor.get === descriptor.set; })()");
-shouldBeTrue("(function f(arg){'use strict'; var descriptor = Object.getOwnPropertyDescriptor(f, 'arguments'); return descriptor.get === descriptor.set; })()");
+shouldBeTrue("(function f(arg){'use strict'; var descriptor = Object.getOwnPropertyDescriptor(f.__proto__, 'caller'); return descriptor.get === descriptor.set; })()");
+shouldBeTrue("(function f(arg){'use strict'; var descriptor = Object.getOwnPropertyDescriptor(f.__proto__, 'arguments'); return descriptor.get === descriptor.set; })()");
 shouldBeTrue("'use strict'; (function f() { for(var i in this); })(); true;")
 
 shouldBeSyntaxError("'use strict'\u033b");
 shouldBeSyntaxError("'use strict'5.f");
 shouldBeSyntaxError("'use strict';\u033b");
 shouldBeSyntaxError("'use strict';5.f");
 shouldBeSyntaxError("'use strict';1-(eval=1);");
 shouldBeSyntaxError("'use strict';arguments=1;");
 shouldBeSyntaxError("'use strict';1-(arguments=1);");
 shouldBeSyntaxError("'use strict';var a=(eval=1);");
 shouldBeSyntaxError("'use strict';var a=(arguments=1);");
 
 var aGlobal = false;
 shouldBeTrue("'use strict'; try { throw 1; } catch (e) { aGlobal = true; }");
 aGlobal = false;
 shouldBeTrue("'use strict'; (function () { try { throw 1; } catch (e) { aGlobal = true; }})(); aGlobal;");
 aGlobal = false;
 shouldBeTrue("(function () {'use strict';  try { throw 1; } catch (e) { aGlobal = true; }})(); aGlobal;");
 aGlobal = false;
 shouldBeTrue("try { throw 1; } catch (e) { aGlobal = true; }");
 aGlobal = false;
 shouldBeTrue("(function () { try { throw 1; } catch (e) { aGlobal = true; }})(); aGlobal;");
 aGlobal = false;
 shouldBeTrue("(function () {try { throw 1; } catch (e) { aGlobal = true; }})(); aGlobal;");
 
 // Make sure this doesn't crash!
-shouldBe('String(Object.getOwnPropertyDescriptor(function() { "use strict"; }, "caller").get)', "'function () {\\n    [native code]\\n}'");
+shouldBe('String(Object.getOwnPropertyDescriptor((function() { "use strict"; }).__proto__, "caller").get)', "'function () {\\n    [native code]\\n}'");