From 3823e9b94f849f8344b81250fac708ac2eaccd16 Mon Sep 17 00:00:00 2001
From: Lars Knoll <lars.knoll@qt.io>
Date: Tue, 19 Jun 2018 12:07:40 +0200
Subject: Support preventExtensions in Proxy handlers

Change-Id: I03aaacc260bdb46eb09c597598a45fbb25d6d7b6
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
---
 src/qml/jsruntime/qv4objectproto.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/qml/jsruntime/qv4objectproto.cpp')

diff --git a/src/qml/jsruntime/qv4objectproto.cpp b/src/qml/jsruntime/qv4objectproto.cpp
index 72b2816dd9..84238477fd 100644
--- a/src/qml/jsruntime/qv4objectproto.cpp
+++ b/src/qml/jsruntime/qv4objectproto.cpp
@@ -401,7 +401,7 @@ ReturnedValue ObjectPrototype::method_preventExtensions(const FunctionObject *b,
     if (!o)
         return argv[0].asReturnedValue();
 
-    o->setInternalClass(o->internalClass()->nonExtensible());
+    o->preventExtensions();
     return o.asReturnedValue();
 }
 
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