1 files changed, 25 insertions, 0 deletions
diff --git a/testing/talos/talos/tests/perf-reftest/coalesce-2.html b/testing/talos/talos/tests/perf-reftest/coalesce-2.html
new file mode 100644
index 0000000000..1c65fc789e
--- /dev/null
+++ b/testing/talos/talos/tests/perf-reftest/coalesce-2.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<style>
+.x { color: yellow; }
+</style>
+<script src="util.js"></script>
+<script>
+function set_class(n) {
+  let child = n.firstChild;
+  while (child) {
+    set_class(child);
+    child = child.nextSibling;
+  }
+  n.className = "x";
+}
+window.onload = function() {
+  let root = build_dom(50000, "div");
+  document.body.appendChild(root);
+  flush_layout(root);
+  set_class(root);
+  perf_start();
+  flush_style(root);
+  perf_finish();
+};
+</script>
+<body></body>