1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug1432764.js b/js/src/jit-test/tests/debug/bug1432764.js
new file mode 100644
index 0000000000..e4f7a507fb
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug1432764.js
@@ -0,0 +1,16 @@
+// |jit-test| error: uncaught exception
+g = newGlobal({newCompartment: true});
+g.parent = this;
+g.eval(`
+    Debugger(parent).onExceptionUnwind = function(frame) { frame.older };
+`);
+
+var handler = {
+    has: function(tgt, key) { if (key == 'throw') { throw null; } }
+};
+
+var proxy = new Proxy({}, handler);
+
+for (let k of ['foo', 'throw']) {
+    k in proxy;
+}