From faf995aec3aab212d79a7a5a18f26a4b33095e78 Mon Sep 17 00:00:00 2001
From: mlevesquedion <mlevesquedion@google.com>
Date: Fri, 26 Apr 2024 09:24:01 -0700
Subject: [PATCH] Fix deprecated use of dyn_cast method (#2260)

Co-authored-by: Christian Sigg <csigg@google.com>
---
 stablehlo/transforms/StablehloAggressiveSimplification.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stablehlo/transforms/StablehloAggressiveSimplification.cpp b/stablehlo/transforms/StablehloAggressiveSimplification.cpp
index 8e4fac9d46..e4a4394362 100644
--- a/stablehlo/transforms/StablehloAggressiveSimplification.cpp
+++ b/stablehlo/transforms/StablehloAggressiveSimplification.cpp
@@ -784,7 +784,7 @@ struct UnusedResultReduceOpCanon final
       addToWorkList(retOp.getOperand(resultNo));
       while (!workList.empty()) {
         auto definition = workList.pop_back_val();
-        if (auto blockArg = definition.dyn_cast<BlockArgument>()) {
+        if (auto blockArg = dyn_cast<BlockArgument>(definition)) {
           // using one argument implies using the whole argument pair
           const auto pairNo = blockArg.getArgNumber() % numOperandPairs;
           usedArgs.set(pairNo);