From 80591aedfd4f8b3d237ddc8dfe46a2b751ec5fd2 Mon Sep 17 00:00:00 2001
From: 0x7D2B <0x7D2B@protonmail.com>
Date: Tue, 25 May 2021 04:02:00 +0000
Subject: [PATCH] Fix slice index panic in add_rest_param

---
 boa/src/builtins/function/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/boa/src/builtins/function/mod.rs b/boa/src/builtins/function/mod.rs
index 8ae70eec9a7..d91ea4833cd 100644
--- a/boa/src/builtins/function/mod.rs
+++ b/boa/src/builtins/function/mod.rs
@@ -120,7 +120,8 @@ impl Function {
     ) {
         // Create array of values
         let array = Array::new_array(context);
-        Array::add_to_array_object(&array, &args_list[index..], context).unwrap();
+        Array::add_to_array_object(&array, &args_list.get(index..).unwrap_or_default(), context)
+            .unwrap();
 
         // Create binding
         local_env