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-rw-r--r--layout/style/crashtests/1223688-1.html19
1 files changed, 19 insertions, 0 deletions
diff --git a/layout/style/crashtests/1223688-1.html b/layout/style/crashtests/1223688-1.html
new file mode 100644
index 0000000000..70f9d85795
--- /dev/null
+++ b/layout/style/crashtests/1223688-1.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<script>
+
+function boom() {
+ CSS.supports('');
+
+ var style = document.createElement("style");
+ var tn = document.createTextNode("* { border: var(--b); }");
+ style.appendChild(tn);
+ document.body.appendChild(style);
+}
+
+</script>
+</head>
+<body onload="boom();"></body>
+</html>