1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-onStep-generators-05.js b/js/src/jit-test/tests/debug/Frame-onStep-generators-05.js
new file mode 100644
index 0000000000..b4996ab217
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-onStep-generators-05.js
@@ -0,0 +1,14 @@
+// GC'ing a Debugger.Frame and its AbstractGeneratorObject adjusts the script's
+// stepper count.
+
+let g = newGlobal({newCompartment: true});
+g.eval(`function* f() {}`);
+for (let i = 0; i < 2; i++) {
+  let dbg = new Debugger(g);
+  dbg.onEnterFrame = frame => {
+    frame.onStep = () => {};
+  };
+  g.f();
+  dbg.onEnterFrame = undefined;
+  gc();
+}