Data flow: Inline local(Expr|Instruction)?(Flow|Taint)

Computing a full transitive closure is often bad; by inlining all calls we are
providing more context to the QL optimizer.

python/ql/lib/semmle/python/dataflow/new/internal/DataFlowUtil.qll

@@ -15,6 +15,7 @@ predicate localFlowStep(Node nodeFrom, Node nodeTo) { simpleLocalFlowStep(nodeFr
  * Holds if data flows from `source` to `sink` in zero or more local
  * (intra-procedural) steps.
  */
+pragma[inline]
 predicate localFlow(Node source, Node sink) { localFlowStep*(source, sink) }
 
 /**

python/ql/lib/semmle/python/dataflow/new/internal/TaintTrackingPublic.qll

@@ -14,12 +14,14 @@ private import semmle.python.Frameworks
  * Holds if taint propagates from `source` to `sink` in zero or more local
  * (intra-procedural) steps.
  */
+pragma[inline]
 predicate localTaint(DataFlow::Node source, DataFlow::Node sink) { localTaintStep*(source, sink) }
 
 /**
  * Holds if taint can flow from `e1` to `e2` in zero or more local (intra-procedural)
  * steps.
  */
+pragma[inline]
 predicate localExprTaint(Expr e1, Expr e2) {
   localTaint(DataFlow::exprNode(e1), DataFlow::exprNode(e2))
 }