avoid materializing isFeasibleTuple

Author: erik-krogh

javascript/ql/src/semmle/javascript/security/performance/SuperlinearBackTracking.qll

@@ -106,6 +106,7 @@ private module FeasibleTuple {
   /**
    * Holds if the tuple `(r1, r2, r3)` might be on path from a start-state to an end-state in the product automaton.
    */
+  pragma[inline]
   predicate isFeasibleTuple(State r1, State r2, State r3) {
     // The first element is either inside a repetition (or the start state itself)
     isRepeitionOrStart(r1) and