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

test/mozilla/mozilla.status

Index: test/mozilla/mozilla.status
diff --git a/test/mozilla/mozilla.status b/test/mozilla/mozilla.status
index 1768c3975daf301f9fa5e3610545982849a934af..38d83493d5e8c210051134b75d0ac5ac6a9d519a 100644
--- a/test/mozilla/mozilla.status
+++ b/test/mozilla/mozilla.status
@@ -288,6 +288,10 @@ 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'.