1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/bug-1620195.js b/js/src/jit-test/tests/gc/bug-1620195.js
new file mode 100644
index 0000000000..7ee5540e26
--- /dev/null
+++ b/js/src/jit-test/tests/gc/bug-1620195.js
@@ -0,0 +1,15 @@
+var g99 = newGlobal({});
+nukeAllCCWs();
+let group = new FinalizationRegistry(x90 => 0);
+let other = newGlobal({
+    newCompartment: true
+});
+
+try {
+  group.register(evalcx('({})', other), 1);
+} catch (e) {
+  // With the args --more-compartments evalcx will throw.
+  assertEq(e.message == "can't access dead object" ||
+           e.message == "Invalid scope argument to evalcx",
+           true);
+}