1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/bug1666142-1.js b/js/src/jit-test/tests/warp/bug1666142-1.js
new file mode 100644
index 0000000000..b5bb0aca77
--- /dev/null
+++ b/js/src/jit-test/tests/warp/bug1666142-1.js
@@ -0,0 +1,19 @@
+// |jit-test| --fast-warmup
+
+// This test triggers a GC in CreateThisForIC,
+// without using the arguments rectifier.
+var records = [];
+function Record() {
+    return Object.create(null);
+}
+function init() {
+    records.push(new Record());
+}
+function f() {
+    for (var i = 0; i < 100; i++) {
+        init();
+    }
+}
+
+gczeal(14,25);
+f();