From 5094dcf615d56e03be458a80b191232819aeaae4 Mon Sep 17 00:00:00 2001
From: Matthew Olsson <matthewcolsson@gmail.com>
Date: Sun, 26 Feb 2023 16:07:20 -0700
Subject: [PATCH] LibJS: Allow constructing a GCPtr from another GCPtr of
 convertible type

---
 Userland/Libraries/LibJS/Heap/GCPtr.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibJS/Heap/GCPtr.h b/Userland/Libraries/LibJS/Heap/GCPtr.h
index 398a31cb99..3ab7e54994 100644
--- a/Userland/Libraries/LibJS/Heap/GCPtr.h
+++ b/Userland/Libraries/LibJS/Heap/GCPtr.h
@@ -100,6 +100,18 @@ public:
     {
     }
 
+    GCPtr(GCPtr<T> const& other)
+        : m_ptr(other.ptr())
+    {
+    }
+
+    template<typename U>
+    GCPtr(GCPtr<U> const& other)
+    requires(IsConvertible<U*, T*>)
+        : m_ptr(other.ptr())
+    {
+    }
+
     GCPtr(NonnullGCPtr<T> const& other)
         : m_ptr(other.ptr())
     {
@@ -117,7 +129,6 @@ public:
     {
     }
 
-    GCPtr(GCPtr const&) = default;
     GCPtr& operator=(GCPtr const&) = default;
 
     template<typename U>