Typetracking: minor perf fix.

2026-04-24 16:25:15 +02:00 · 2023-09-20 14:52:49 +02:00
parent 5c40d553b4
commit d285afba08
1 changed files with 6 additions and 1 deletions
--- a/shared/typetracking/codeql/typetracking/TypeTracking.qll
+++ b/shared/typetracking/codeql/typetracking/TypeTracking.qll
@@ -805,7 +805,12 @@ module TypeTracking<TypeTrackingInput I> {
    private predicate sourceSimpleLocalSmallSteps(Node src, Node n) {
      source(src) and
      not src instanceof LocalSourceNode and
-      simpleLocalSmallStep*(src, n)
+      src = n
+      or
+      exists(Node mid |
+        sourceSimpleLocalSmallSteps(src, mid) and
+        simpleLocalSmallStep(mid, n)
+      )
    }

    private predicate firstStep(TypeTracker tt, Node src, LocalSourceNode n2) {