1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug1893554.js b/js/src/jit-test/tests/debug/bug1893554.js
new file mode 100644
index 0000000000..dfe76c8b41
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug1893554.js
@@ -0,0 +1,31 @@
+let g = newGlobal({ newCompartment: true });
+g.parent = this;
+g.eval(
+  "(" +
+    function () {
+      Debugger(parent).onExceptionUnwind = function (frame) {
+        frame.older;
+      };
+    } +
+    ")()"
+);
+function f(x, y) {
+  try {
+    Object.setPrototypeOf(
+      y,
+      new Proxy(Object.getPrototypeOf(y), {
+        get(a, b, c) {
+          return undefined;
+        },
+      })
+    );
+  } catch (e) {}
+}
+function h(x, y) {
+  f(x, y);
+}
+oomTest(function () {
+  h("", undefined);
+  h("", "");
+  "".replaceAll();
+});