Clean up and update const / var

test/mozilla/mozilla.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 624 matching lines @@
 
   # Bug 1202597: New js1_5/Expressions/regress-394673 is failing.
   # Marked as: Will not fix. V8 throws an acceptable RangeError.
   'js1_5/Expressions/regress-394673': [FAIL],
 
 
   # Bug 762: http://code.google.com/p/v8/issues/detail?id=762
   # We do not correctly handle assignments within "with"
   'ecma_3/Statements/12.10-01': [FAIL],
 
-  # We do not throw an exception when a const is redeclared.
-  # (We only fail section 1 of the test.)
-  'js1_5/Regress/regress-103602': [FAIL],
-
   ##################### MOZILLA EXTENSION TESTS #####################
 
   'ecma/extensions/15.1.2.1-1': [FAIL_OK],
   'ecma_3/extensions/regress-385393-03': [FAIL_OK],
   'ecma_3/extensions/7.9.1': [FAIL_OK],
   'js1_5/extensions/catchguard-001': [FAIL_OK],
   'js1_5/extensions/catchguard-002': [FAIL_OK],
   'js1_5/extensions/catchguard-003': [FAIL_OK],
   'js1_5/extensions/getset-001': [FAIL_OK],
   'js1_5/extensions/getset-003': [FAIL_OK],
@@ skipping 255 matching lines @@
   'js1_5/Regress/regress-416628': [SKIP],
   'js1_5/extensions/regress-371636': [SKIP],
   'ecma_3/RegExp/regress-330684': [SKIP],
   'ecma_3/RegExp/regress-307456': [SKIP],
   'js1_5/Regress/regress-303213': [SKIP],
   'js1_5/extensions/regress-330569': [SKIP],
   'js1_5/extensions/regress-351448': [SKIP],
   'js1_5/extensions/regress-336410-1': [SKIP],
 }],  # 'arch == arm64 and simulator_run == True'
 ]