support that an inverted char class can intersect with itself

javascript/ql/src/Performance/ReDoS.ql

@@ -455,11 +455,11 @@ string intersect(InputSymbol c, InputSymbol d) {
   or
   exists(RegExpCharacterClass cc | c = InvertedCharClass(cc) and result = chooseFromInverted(cc) |
     // TODO: Not done here - later commits will add more
-    //d = InvertedCharClass(cc)
-    //or
     //d = Dot() and
     //not (result = "\n" or result = "\r")
     //or
+    d = InvertedCharClass(cc)
+    or
     d = Any()
   )
   or