Properly handle primitive arguments in Object methods (#3342)

ES2015 allows primitive arguments for most of the Object built-ins.
This change implements handling for these arguments in affected methods.

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu

tests/jerry/object-is-extensible.js

@@ -20,23 +20,6 @@ assert (Object.isExtensible(empty) === true);
 Object.preventExtensions(empty);
 assert(Object.isExtensible(empty) === false);
 
-// Call on undefined should throw TypeError.
-try
-{
-    Object.isExtensible(undefined);
-    assert (false);
-} catch (e) {
-    assert (e instanceof TypeError);
-}
-
-try
-{
-    Object.preventExtensions(undefined);
-    assert (false);
-} catch (e) {
-    assert (e instanceof TypeError);
-}
-
 // Sealed objects are by definition non-extensible.
 var sealed = Object.seal({});
 assert (Object.isExtensible(sealed) === false);