From 6431228d37663f35c208510ccb1f570eedf0a1ea Mon Sep 17 00:00:00 2001
From: Joe Farebrother <joefarebrother@github.com>
Date: Wed, 16 Apr 2025 09:40:01 +0100
Subject: [PATCH] Limit size of allowImplicitRead for performance

---
 .../Variables/LoopVariableCapture/LoopVariableCaptureQuery.qll  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/ql/src/Variables/LoopVariableCapture/LoopVariableCaptureQuery.qll b/python/ql/src/Variables/LoopVariableCapture/LoopVariableCaptureQuery.qll
index ed0c6496141..7f25701cac8 100644
--- a/python/ql/src/Variables/LoopVariableCapture/LoopVariableCaptureQuery.qll
+++ b/python/ql/src/Variables/LoopVariableCapture/LoopVariableCaptureQuery.qll
@@ -59,7 +59,7 @@ module EscapingCaptureFlowConfig implements DataFlow::ConfigSig {
   predicate allowImplicitRead(DataFlow::Node node, DataFlow::ContentSet cs) {
     isSink(node) and
     (
-      cs instanceof DataFlow::TupleElementContent or
+      cs.(DataFlow::TupleElementContent).getIndex() in [0 .. 10] or
       cs instanceof DataFlow::ListElementContent or
       cs instanceof DataFlow::SetElementContent or
       cs instanceof DataFlow::DictionaryElementAnyContent