From 6ca06e6aaf5854f226b24d21376da78c33bca429 Mon Sep 17 00:00:00 2001
From: Dmitriy Suponitskiy <dsuponitskiy@dualitytech.com>
Date: Tue, 6 May 2025 14:23:08 -0400
Subject: [PATCH] Replaced dynamic_cast with typeid() to fix failures in
 unittests linked with clang++-18 and running on MacOS

---
 src/core/include/lattice/hal/default/ilparams.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/core/include/lattice/hal/default/ilparams.h b/src/core/include/lattice/hal/default/ilparams.h
index e08b1a732..b3ad215cd 100644
--- a/src/core/include/lattice/hal/default/ilparams.h
+++ b/src/core/include/lattice/hal/default/ilparams.h
@@ -126,8 +126,12 @@ class ILParamsImpl final : public ElemParams<IntType> {
    * DCRTPoly, False otherwise
    */
     bool operator==(const ElemParams<IntType>& rhs) const override {
-        if (!dynamic_cast<const ILParamsImpl<IntType>*>(&rhs))
+        // ATTENTION: dynamic_cast was replaced with typeid() to fix failures in unittests linked with clang++-18 and running on MacOS
+        // ===========================================================================================================================
+        // see a similar change in "operator==()" for "class ILDCRTParams" (ildcrtparams.h)
+        if (typeid(rhs) != typeid(const ILParamsImpl<IntType>))
             return false;
+
         return ElemParams<IntType>::operator==(rhs);
     }