From c48acafcbaa84b9fce392eca093dde5aaddbc61c Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Tue, 7 Jan 2020 14:49:33 +0100
Subject: [PATCH] AK: Add assertions to FixedArray::operator[]

Let's catch ourselves if we ever index out of bounds into one of these.
---
 AK/FixedArray.h | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/AK/FixedArray.h b/AK/FixedArray.h
index cfe3eb3fae..8dd7234cc0 100644
--- a/AK/FixedArray.h
+++ b/AK/FixedArray.h
@@ -45,8 +45,17 @@ public:
 
     size_t size() const { return m_size; }
 
-    T& operator[](size_t index) { return m_elements[index]; }
-    const T& operator[](size_t index) const { return m_elements[index]; }
+    T& operator[](size_t index)
+    {
+        ASSERT(index < m_size);
+        return m_elements[index];
+    }
+
+    const T& operator[](size_t index) const
+    {
+        ASSERT(index < m_size);
+        return m_elements[index];
+    }
 
     void resize(size_t new_size)
     {