From 70411a117b85cbc15dc5208f8e772858556da0c4 Mon Sep 17 00:00:00 2001
From: Andreas Kling <andreas@ladybird.org>
Date: Sat, 5 Apr 2025 23:59:18 +0200
Subject: [PATCH] LibJS: Use u32 instead of size_t for bytecode instruction
 array sizes

Instructions that have an embedded tail array are not going to have
more than 2^32 elements in any remotely sane situation.
---
 Libraries/LibJS/Bytecode/Op.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Libraries/LibJS/Bytecode/Op.h b/Libraries/LibJS/Bytecode/Op.h
index d923ef3744f..834a884be93 100644
--- a/Libraries/LibJS/Bytecode/Op.h
+++ b/Libraries/LibJS/Bytecode/Op.h
@@ -322,7 +322,7 @@ public:
 private:
     Operand m_dst;
     Operand m_from_object;
-    size_t m_excluded_names_count { 0 };
+    u32 m_excluded_names_count { 0 };
     Operand m_excluded_names[];
 };
 
@@ -367,7 +367,7 @@ public:
 
 private:
     Operand m_dst;
-    size_t m_element_count { 0 };
+    u32 m_element_count { 0 };
     Operand m_elements[];
 };
 
@@ -401,7 +401,7 @@ public:
 
 private:
     Operand m_dst;
-    size_t m_element_count { 0 };
+    u32 m_element_count { 0 };
     Value m_elements[];
 };
 
@@ -2105,7 +2105,7 @@ private:
     Optional<Operand> m_super_class;
     ClassExpression const& m_class_expression;
     Optional<IdentifierTableIndex> m_lhs_name;
-    size_t m_element_keys_count { 0 };
+    u32 m_element_keys_count { 0 };
     Optional<Operand> m_element_keys[];
 };