Fix mozilla and debug check failures....

test/mozilla/mozilla.status

 # Copyright 2009 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 217 matching lines @@
 # Length of objects whose prototype chain includes a function
 ecma_3/Function/regress-313570: FAIL_OK
 
 # toPrecision argument restricted to range 1..21 in JSC/V8
 js1_5/Regress/regress-452346: FAIL_OK
 ecma_3/Number/15.7.4.7-1: FAIL_OK
 
 # toExponential argument restricted to range 0..20 in JSC/V8
 ecma_3/Number/15.7.4.6-1: FAIL_OK
 
-# Array.prototype.slice with zero arguments return undefined in JSC/V8, 
-# empty array in Spider/TraceMonkey.
-js1_5/Array/regress-451483: FAIL_OK
-
-
 #:=== RegExp:=== 
 # To be compatible with JSC we silently ignore flags that do not make
 # sense.  These tests expects us to throw exceptions.  
 ecma_3/RegExp/regress-57631: FAIL_OK
 ecma_3/RegExp/15.10.4.1-6: FAIL_OK
 
 # PCRE doesn't allow subpattern nesting deeper than 200, this tests
 # depth 500.  JSC detects the case, and return null from the match,
 # and passes this test (the test doesn't check for a correct return
 # value).
@@ skipping 588 matching lines @@
 ecma/Date/15.9.5.8: SKIP
 ecma/Date/15.9.5.9: SKIP
 ecma/Date/15.9.5.10-2: SKIP
 ecma/Date/15.9.5.11-2: SKIP
 ecma/Expressions/11.7.2: SKIP
 ecma/Expressions/11.10-2: SKIP
 ecma/Expressions/11.7.3: SKIP
 ecma/Expressions/11.10-3: SKIP
 ecma/Expressions/11.7.1: SKIP
 ecma_3/RegExp/regress-209067: SKIP