Change RegExp syntax to fail on invalid ranges like [\d-x], [x-\d] and [\d-\d].

test/mozilla/mozilla.status

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@@ skipping 270 matching lines @@
 js1_5/Regress/regress-280769-4: PASS || FAIL
 js1_5/Regress/regress-280769-5: PASS || FAIL
 
 
 # We do not support static RegExp.multiline - should we?.
 js1_2/regexp/RegExp_multiline: FAIL_OK
 js1_2/regexp/RegExp_multiline_as_array: FAIL_OK
 js1_2/regexp/beginLine: FAIL_OK
 js1_2/regexp/endLine: FAIL_OK
 
+# To be compatible with JSC, we no longer accept [\d-x], [x-\d] or 
+# [\d-\d] as valid ranges.
+ecma_3/RegExp/regress-375715-02: FAIL
+js1_5/extensions/regress-351463-01: FAIL
 
 # To be compatible with safari typeof a regexp yields 'function';
 # in firefox it yields 'object'.
 js1_2/function/regexparg-1: FAIL_OK
 
 
 # Date trouble?
 js1_5/Date/regress-301738-02: FAIL_OK
 
 
@@ skipping 535 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