From a9b5fb5abd55a2b2840df0f5e4fac91864a4910f Mon Sep 17 00:00:00 2001
From: milkicow <kozlov.aleksandr@phystech.edu>
Date: Mon, 8 Jun 2026 15:54:03 +0300
Subject: [PATCH] [SimGen] Include missing cstddef header

---
 sim_gen/ISA/isa.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sim_gen/ISA/isa.rb b/sim_gen/ISA/isa.rb
index bed0076..b04ca4d 100644
--- a/sim_gen/ISA/isa.rb
+++ b/sim_gen/ISA/isa.rb
@@ -102,6 +102,7 @@ def generate_isa_header(input_ir)
 "#ifndef GENERATED_#{input_ir[:isa_name].upcase}_ISA_HH_INCLUDED
 #define GENERATED_#{input_ir[:isa_name].upcase}_ISA_HH_INCLUDED
 
+#include <cstddef>
 #include <cstdint>
 
 namespace prot::isa {