From a2eb1fe9be7f186585822ca62d83bdd81f7f8ba0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Mar=C3=ADn?= <git@rmr.ninja>
Date: Mon, 17 Oct 2022 18:39:42 +0200
Subject: [PATCH] Add assertion

---
 src/Parsers/TokenIterator.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Parsers/TokenIterator.h b/src/Parsers/TokenIterator.h
index 566b376eb8d..c9ac61dfef9 100644
--- a/src/Parsers/TokenIterator.h
+++ b/src/Parsers/TokenIterator.h
@@ -3,6 +3,7 @@
 #include <Core/Defines.h>
 #include <Parsers/Lexer.h>
 
+#include <cassert>
 #include <vector>
 
 
@@ -27,6 +28,7 @@ public:
 
     ALWAYS_INLINE inline const Token & operator[](size_t index)
     {
+        assert(index < data.size());
         last_accessed_index = std::max(last_accessed_index, index);
         return data[index];
     }