| Index: LayoutTests/fast/animation/last-child-assert.html | 
| diff --git a/LayoutTests/fast/animation/last-child-assert.html b/LayoutTests/fast/animation/last-child-assert.html | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..a43b3f4e065e7343358a7951c78f6d8806d9fb6d | 
| --- /dev/null | 
| +++ b/LayoutTests/fast/animation/last-child-assert.html | 
| @@ -0,0 +1,11 @@ | 
| +<!DOCTYPE html> | 
| +<style> | 
| +html { background-color: white } | 
| +body { -webkit-transition: background-color 1s } | 
| +#nomatch :last-child { color: green } | 
| +</style> | 
| +<p>Pass if no assert or crash.</p> | 
| +<script> | 
| +document.body.offsetTop; | 
| +document.body.style.backgroundColor = "white"; | 
| +</script> | 
|  |