Add m-esr52 at 52.6.0

1 files changed, 16 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/debug/Object-deleteProperty-error-01.js b/js/src/jit-test/tests/debug/Object-deleteProperty-error-01.js
new file mode 100644
index 000000000..9115f551c
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Object-deleteProperty-error-01.js
@@ -0,0 +1,16 @@
+// Don't crash when a scripted proxy handler throws Error.prototype.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+dbg.onDebuggerStatement = function (frame) {
+    try {
+        frame.arguments[0].deleteProperty("x");
+    } catch (exc) {
+        return;
+    }
+    throw new Error("deleteProperty should throw");
+};
+
+g.eval("function h(obj) { debugger; }");
+g.eval("h(new Proxy({}, { deleteProperty() { throw Error.prototype; }}));");
+