1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/bug-1655917.js b/js/src/jit-test/tests/gc/bug-1655917.js
new file mode 100644
index 0000000000..5805958ed7
--- /dev/null
+++ b/js/src/jit-test/tests/gc/bug-1655917.js
@@ -0,0 +1,10 @@
+var g = newGlobal({ newCompartment: true });
+g.eval(`
+  var obj = {};
+  var ref = new WeakRef(obj);
+  Promise.resolve().then(() => {
+    assertEq(ref.deref(), obj);
+  });
+`);
+nukeCCW(g.ref);
+drainJobQueue();