1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/bug1819486.js b/js/src/jit-test/tests/cacheir/bug1819486.js
new file mode 100644
index 0000000000..6bb3e799ea
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/bug1819486.js
@@ -0,0 +1,18 @@
+class Base {}
+class Derived extends Base {
+    constructor(a) { super(a); this.a = a; }
+}
+function test() {
+    var boundCtor = Derived.bind();
+    for (var i = 0; i < 40; i++) {
+        new boundCtor();
+        var ex = null;
+        try {
+            boundCtor();
+        } catch(e) {
+            ex = e;
+        }
+        assertEq(ex instanceof TypeError, true);
+    }
+}
+test();