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

test/webkit/fast/js/Object-getOwnPropertyNames-expected.txt

Index: test/webkit/fast/js/Object-getOwnPropertyNames-expected.txt
diff --git a/test/webkit/fast/js/Object-getOwnPropertyNames-expected.txt b/test/webkit/fast/js/Object-getOwnPropertyNames-expected.txt
index 0e00f23cadfde2cf4dcdef345390d1e740b7a10c..1948700fcae82ac6056c0c54782a7db5e5c5a3c6 100644
--- a/test/webkit/fast/js/Object-getOwnPropertyNames-expected.txt
+++ b/test/webkit/fast/js/Object-getOwnPropertyNames-expected.txt
@@ -38,12 +38,12 @@ PASS getSortedOwnPropertyNames(parseInt) is ['arguments', 'caller', 'length', 'n
 PASS getSortedOwnPropertyNames(parseFloat) is ['arguments', 'caller', 'length', 'name']
 PASS getSortedOwnPropertyNames(isNaN) is ['arguments', 'caller', 'length', 'name']
 PASS getSortedOwnPropertyNames(isFinite) is ['arguments', 'caller', 'length', 'name']
-PASS getSortedOwnPropertyNames(escape) is ['arguments', 'caller', 'length', 'name']
-PASS getSortedOwnPropertyNames(unescape) is ['arguments', 'caller', 'length', 'name']
-PASS getSortedOwnPropertyNames(decodeURI) is ['arguments', 'caller', 'length', 'name']
-PASS getSortedOwnPropertyNames(decodeURIComponent) is ['arguments', 'caller', 'length', 'name']
-PASS getSortedOwnPropertyNames(encodeURI) is ['arguments', 'caller', 'length', 'name']
-PASS getSortedOwnPropertyNames(encodeURIComponent) is ['arguments', 'caller', 'length', 'name']
+PASS getSortedOwnPropertyNames(escape) is ['length', 'name']
+PASS getSortedOwnPropertyNames(unescape) is ['length', 'name']
+PASS getSortedOwnPropertyNames(decodeURI) is ['length', 'name']
+PASS getSortedOwnPropertyNames(decodeURIComponent) is ['length', 'name']
+PASS getSortedOwnPropertyNames(encodeURI) is ['length', 'name']
+PASS getSortedOwnPropertyNames(encodeURIComponent) is ['length', 'name']
 PASS getSortedOwnPropertyNames(Object) is ['arguments', 'caller', 'create', 'defineProperties', 'defineProperty', 'deliverChangeRecords', 'freeze', 'getNotifier', 'getOwnPropertyDescriptor', 'getOwnPropertyNames', 'getOwnPropertySymbols', 'getPrototypeOf', 'is', 'isExtensible', 'isFrozen', 'isSealed', 'keys', 'length', 'name', 'observe', 'preventExtensions', 'prototype', 'seal', 'setPrototypeOf', 'unobserve']
 PASS getSortedOwnPropertyNames(Object.prototype) is ['__defineGetter__', '__defineSetter__', '__lookupGetter__', '__lookupSetter__', '__proto__', 'constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'toLocaleString', 'toString', 'valueOf']
 PASS getSortedOwnPropertyNames(Function) is ['arguments', 'caller', 'length', 'name', 'prototype']