1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/bug1852398.js b/js/src/jit-test/tests/warp/bug1852398.js
new file mode 100644
index 0000000000..6e12d2a31d
--- /dev/null
+++ b/js/src/jit-test/tests/warp/bug1852398.js
@@ -0,0 +1,27 @@
+// |jit-test| --no-threads
+
+function inner(obj, f) {
+  return obj.x + f();
+}
+
+function middle(obj, f) {
+  return inner(obj, f);
+}
+
+function outer(obj, f) {
+  return middle(obj, f);
+}
+
+var fs = [() => 1, () => 2];
+
+with ({}) {}
+for (var i = 0; i < 1500; i++) {
+  var obj = {x: 1};
+  obj["y" + i % 2] = 2;
+  outer(obj, fs[i % 2]);
+}
+for (var i = 0; i < 1500; i++) {
+  var obj = {x: 1};
+  obj["y" + (3 + (i % 10))] = 2;
+  outer(obj, fs[i % 2]);
+}