1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/execution-observability-03.js b/js/src/jit-test/tests/debug/execution-observability-03.js
new file mode 100644
index 0000000000..d330571ec9
--- /dev/null
+++ b/js/src/jit-test/tests/debug/execution-observability-03.js
@@ -0,0 +1,17 @@
+// Tests that bare callVMs (in the delprop below) are patched correctly.
+
+var o = {};
+var global = this;
+var p = new Proxy(o, {
+  "deleteProperty": function (target, key) {
+    var g = newGlobal({newCompartment: true});
+    g.parent = global;
+    g.eval("var dbg = new Debugger(parent); dbg.onEnterFrame = function(frame) {};");
+    return true;
+  }
+});
+function test() {
+  for (var i=0; i<100; i++) {}
+  assertEq(delete p.foo, true);
+}
+test();