1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/promise/unhandled-rejections-dead.js b/js/src/jit-test/tests/promise/unhandled-rejections-dead.js
new file mode 100644
index 0000000000..d70a078c73
--- /dev/null
+++ b/js/src/jit-test/tests/promise/unhandled-rejections-dead.js
@@ -0,0 +1,17 @@
+// |jit-test| error:Unhandled rejection
+
+// Create the set object for unhandled rejection in this global.
+async function fn() { e }
+let p = fn();
+
+var g = newGlobal();
+g.evaluate(`
+async function fn() { e }
+fn()
+// Create unhandled rejection in another compartment.
+// The promise is tracked by the unhandled rejection set with CCW.
+P = newGlobal().eval("(class extends Promise { function(){} })")
+
+// Nuke the CCW to make the entry in unhandled rejection set a dead proxy.
+Promise.all.call(P, [{ then() { nukeAllCCWs() } }])
+`);