1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/bug1651732-ionic-getprop-super.js b/js/src/jit-test/tests/cacheir/bug1651732-ionic-getprop-super.js
new file mode 100644
index 0000000000..a64e2aabb0
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/bug1651732-ionic-getprop-super.js
@@ -0,0 +1,28 @@
+class Base {
+  static a = 0;
+  static [Symbol.iterator] = 0;
+}
+
+class Derived extends Base {
+  static m(key) {
+    // Attach an IC through IonGetPropSuperIC.
+    return super[key];
+  }
+}
+
+var key = {
+  value: "a",
+
+  [Symbol.toPrimitive]() {
+    return this.value;
+  }
+};
+
+for (var i = 0; i < 100; ++i) {
+  // Change key[Symbol.toPrimitive] to return a symbol after some warm-up.
+  if (i > 80) {
+    key.value = Symbol.iterator;
+  }
+
+  assertEq(Derived.m(key), 0);
+}