1 files changed, 7 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/bug-1620196.js b/js/src/jit-test/tests/gc/bug-1620196.js
new file mode 100644
index 0000000000..34fda22c80
--- /dev/null
+++ b/js/src/jit-test/tests/gc/bug-1620196.js
@@ -0,0 +1,7 @@
+gczeal(4);
+let heldValues = [];
+registry = new FinalizationRegistry(value => {
+    heldValues.push(value);
+});
+registry.register({}, 42);
+gc();