From 26bf7a1130fa5b2b3dad270baf8cec9f9497645a Mon Sep 17 00:00:00 2001
From: Jakob Botsch Nielsen <jakob.botsch.nielsen@gmail.com>
Date: Sun, 21 Jul 2024 15:33:25 +0200
Subject: [PATCH] JIT: Fix infinite loop in copy prop GT_COMMA update logic

---
 src/coreclr/jit/copyprop.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/coreclr/jit/copyprop.cpp b/src/coreclr/jit/copyprop.cpp
index f3c858bc9bcaa..7953cbd8f5f4f 100644
--- a/src/coreclr/jit/copyprop.cpp
+++ b/src/coreclr/jit/copyprop.cpp
@@ -296,7 +296,7 @@ bool Compiler::optCopyProp(
                 JITDUMP(" Updating COMMA parent VN [%06u]\n", dspTreeID(parent));
                 ValueNumPair op1Xvnp = vnStore->VNPExceptionSet(parent->AsOp()->gtOp1->gtVNPair);
                 parent->SetVNs(vnStore->VNPWithExc(parent->AsOp()->gtOp2->gtVNPair, op1Xvnp));
-                parent = tree->gtGetParent(nullptr);
+                parent = parent->gtGetParent(nullptr);
             }
         }
         gtUpdateSideEffects(stmt, tree);