1 files changed, 22 insertions, 0 deletions
diff --git a/testing/web-platform/tests/svg/animations/svg-style-animate-crash.html b/testing/web-platform/tests/svg/animations/svg-style-animate-crash.html
new file mode 100644
index 0000000000..0ed2140617
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+++ b/testing/web-platform/tests/svg/animations/svg-style-animate-crash.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<title>Starting a CSS Animation and Web Animation at the same time on SVG style elements</title>
+<link rel="help" href="https://crbug.com/1264236">
+<style>
+  @keyframes anim {
+    from { color: green; }
+    to { color: red; }
+  }
+
+  #target {
+    animation: anim 1s linear;
+  }
+</style>
+<svg>
+  <style id=target>Test</style>
+</svg>
+<script>
+  addEventListener('load', () => {
+    target.animate({'top': ['0px', '10px']}, 1000);
+    target.offsetTop;
+  });
+</script>