1 files changed, 17 insertions, 0 deletions
diff --git a/layout/generic/crashtests/364220.html b/layout/generic/crashtests/364220.html
new file mode 100644
index 0000000000..63a927b450
--- /dev/null
+++ b/layout/generic/crashtests/364220.html
@@ -0,0 +1,17 @@
+<html><head>
+<title>Testcase bug 364220 - [reflow branch][columns] Crash [@ nsLineLayout::ReflowFrame] using moz-column-count, floats, generated content and first-line</title>
+<style>
+body > span::first-line { }
+span::before { content:"before text"; border:3px solid black;}
+</style>
+</head>
+<body>
+
+<span style=" float: left; column-count: 2;">
+  <span style="float: right;">
+    <span style=" float: right;column-count: 2;"></span>
+  </span>
+</span>
+
+</body>
+</html>
+\ No newline at end of file