From 68adac691d0a5fcb257169b5b6ff4171e2292d24 Mon Sep 17 00:00:00 2001
From: Krystine Sherwin <93062060+KrystalDelusion@users.noreply.github.com>
Date: Fri, 14 Mar 2025 14:40:06 +1300
Subject: [PATCH] rtlil.cc: Add comment to log_assert

Because the use of `RTLIL::AttrObject::get_blackbox_attribute()` is deprecated, but the assert is needed in case users are doing weird things.
---
 kernel/rtlil.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 6a29c42e7..c9d2f6760 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -2366,6 +2366,9 @@ void RTLIL::Module::check()
 		}
 		auto cell_mod = design->module(it.first);
 		if (cell_mod != nullptr) {
+			// assertion check below to make sure that there are no
+			// cases where a cell has a blackbox attribute since
+			// that is deprecated
 			log_assert(!it.second->get_blackbox_attribute());
 		}
 	}