1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/structured-clone/Map-Set-cross-compartment.js b/js/src/jit-test/tests/structured-clone/Map-Set-cross-compartment.js
new file mode 100644
index 000000000..8ce792562
--- /dev/null
+++ b/js/src/jit-test/tests/structured-clone/Map-Set-cross-compartment.js
@@ -0,0 +1,11 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+// Don't crash
+serialize(evalcx("new Set(['x', 'y'])"));
+serialize(evalcx("new Map([['x', 1]])"));
+
+assertEq(deserialize(serialize(evalcx("new Set([1, 2, 3])"))).has(1), true);
+assertEq(deserialize(serialize(evalcx("new Map([['x', 1]])"))).get('x'), 1);