Add m-esr52 at 52.6.0

1 files changed, 8 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/proxy/target-becomes-nonextensible-during-preventExtensions.js b/js/src/jit-test/tests/proxy/target-becomes-nonextensible-during-preventExtensions.js
new file mode 100644
index 000000000..3ef475c72
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/target-becomes-nonextensible-during-preventExtensions.js
@@ -0,0 +1,8 @@
+// Don't assert
+var obj = {};
+var proxy = new Proxy(obj, {
+    get preventExtensions() {
+        Object.preventExtensions(obj);
+    }
+});
+Object.preventExtensions(proxy);