From f11227b4a09bedcc92b961d70f47b232095dbce7 Mon Sep 17 00:00:00 2001
From: Yu-Cheng Chang <rogerycchang@google.com>
Date: Tue, 14 Nov 2023 19:54:35 +0800
Subject: [PATCH] systemc: Fix gcc13 systemC compilation error (#520)

issue: https://github.com/gem5/gem5/issues/472
---
 src/systemc/ext/core/sc_port.hh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/systemc/ext/core/sc_port.hh b/src/systemc/ext/core/sc_port.hh
index 796950e29b..bd57553559 100644
--- a/src/systemc/ext/core/sc_port.hh
+++ b/src/systemc/ext/core/sc_port.hh
@@ -114,6 +114,10 @@ class sc_port_base : public sc_object
     virtual sc_port_policy _portPolicy() const = 0;
 };
 
+// The overloaded virtual is intended in SystemC, so we'll disable the warning.
+// Please check section 9.3 of SystemC 2.3.1 release note for more details.
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Woverloaded-virtual"
 template <class IF>
 class sc_port_b : public sc_port_base
 {
@@ -244,6 +248,7 @@ class sc_port_b : public sc_port_base
     sc_port_b(const sc_port_b<IF> &) {}
     sc_port_b<IF> &operator = (const sc_port_b<IF> &) { return *this; }
 };
+#pragma GCC diagnostic pop
 
 template <class IF, int N=1, sc_port_policy P=SC_ONE_OR_MORE_BOUND>
 class sc_port : public sc_port_b<IF>