1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/force-warp.js b/js/src/jit-test/tests/warp/force-warp.js
new file mode 100644
index 0000000000..b875fc0471
--- /dev/null
+++ b/js/src/jit-test/tests/warp/force-warp.js
@@ -0,0 +1,11 @@
+// A simple test to ensure WarpBuilder files are included in code-coverage builds.
+// See bug 1635097.
+
+function test() {
+    var o = {x: 0};
+    for (var i = 0; i < 10000; i++) {
+        o.x++;
+    }
+    return o;
+}
+test();