Fix source property of empty RegExp objects.

test/test262/test262.status

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 prefix test262
 def FAIL_OK = FAIL, OKAY
 
 ############################### BUGS ###################################
 
 # '__proto__' should be treated as a normal property in JSON.
 S15.12.2_A1: FAIL
 
+# Sequencing of getter side effects on receiver and argument properties
+# is wrong. The receiver callback should be called before any arguments
+# are evaluated.
 # V8 Bug: http://code.google.com/p/v8/issues/detail?id=691
 11.2.3-3_3: FAIL
 
+# Prototypal inheritance of properties does not maintain accessibility.
+# The [[CanPut]] operation should traverse the prototype chain to
+# determine whether given property is writable or not.
 # V8 Bug: http://code.google.com/p/v8/issues/detail?id=1475
 8.14.4-8-b_1: FAIL
 8.14.4-8-b_2: FAIL
 15.2.3.6-4-405: FAIL
 15.2.3.6-4-410: FAIL
 15.2.3.6-4-415: FAIL
 15.2.3.6-4-420: FAIL
 
-# V8 Bug: http://code.google.com/p/v8/issues/detail?id=1982
-15.10.4.1-5: FAIL
-
 ##################### DELIBERATE INCOMPATIBILITIES #####################
 
 # We deliberately treat arguments to parseInt() with a leading zero as
 # octal numbers in order to not break the web.
 S15.1.2.2_A5.1_T1: FAIL_OK
 
 # This tests precision of Math.tan and Math.sin.  The implementation for those
 # trigonometric functions are platform/compiler dependent.  Furthermore, the
 # expectation values by far deviates from the actual result given by an
 # arbitrary-precision calculator, making those tests partly bogus.
@@ skipping 46 matching lines @@
 S15.1.3.1_A2.5_T1: SKIP
 S15.1.3.2_A2.5_T1: SKIP
 S15.1.3.1_A2.4_T1: SKIP
 S15.1.3.1_A2.5_T1: SKIP
 S15.1.3.2_A2.4_T1: SKIP
 S15.1.3.2_A2.5_T1: SKIP
 S15.1.3.3_A2.3_T1: SKIP
 S15.1.3.4_A2.3_T1: SKIP
 S15.1.3.1_A2.5_T1: SKIP
 S15.1.3.2_A2.5_T1: SKIP