1 files changed, 34 insertions, 0 deletions
diff --git a/layout/reftests/async-scrolling/position-fixed-inside-clip-path.html b/layout/reftests/async-scrolling/position-fixed-inside-clip-path.html
new file mode 100644
index 0000000000..2759f6c0cf
--- /dev/null
+++ b/layout/reftests/async-scrolling/position-fixed-inside-clip-path.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html reftest-async-scroll
+      reftest-displayport-x="0" reftest-displayport-y="0"
+      reftest-displayport-w="800" reftest-displayport-h="2000"
+      reftest-async-scroll-x="0" reftest-async-scroll-y="50">
+<style>
+  html {
+    scrollbar-width: none;
+  }
+  body {
+    height: 4000px;
+    margin: 0;
+  }
+  #clip {
+    position: absolute;
+    top: 500px;
+    left: 300px;
+    background: red;
+    width: 400px;
+    height: 400px;
+    clip-path: inset(0);
+  }
+  #fixed {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: linear-gradient(green, blue);
+  }
+</style>
+<div id="clip">
+  <div id="fixed"></div>
+</div>