Fix mozilla test expectations.

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 194 matching lines @@
 
 # Test that assumes specific execution time, flaky in debug mode.
 js1_5/Array/regress-101964: PASS || FAIL if $mode == debug
 
 
 ##################### INCOMPATIBLE TESTS #####################
 
 # This section is for tests that fail in both V8 and JSC.  Thus they
 # have been determined to be incompatible between Mozilla and V8/JSC.
 
+# toPrecision argument restricted to range 1..21 in JSC/V8 and ECMA-262
+js1_5/Regress/regress-452346: FAIL_OK
+
 # Fail because it calls builtins as functions and do not expect the
 # builtin to have undefined as the receiver.
 ecma/String/15.5.4.6-2: FAIL_OK
 
 # Fail because it expects String.prototype.split to distinguish whether
 # separator was undefined or not passed at all.
 ecma/String/15.5.4.8-2: FAIL_OK
 
 # Fail because of toLowerCase and toUpperCase conversion.
 ecma/String/15.5.4.11-2: FAIL_OK
@@ skipping 632 matching lines @@
 ecma/Date/15.9.5.12-2: SKIP
 js1_5/Array/regress-99120-02: SKIP
 js1_5/extensions/regress-371636: SKIP
 js1_5/Regress/regress-203278-1: SKIP
 js1_5/Regress/regress-404755:  SKIP
 js1_5/Regress/regress-451322: SKIP
 
 
 # BUG(1040): Allow this test to timeout.
 js1_5/GC/regress-203278-2: PASS || TIMEOUT