new file mode 100644
--- /dev/null
+++ b/gfx/thebes/crashtests/377461-1.xhtml
@@ -0,0 +1,16 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<script>
+function boom()
+{
+ var div = document.getElementById("div");
+ div.textContent = "\uFDDE\r\uFDDE";
+}
+
+</script>
+</head>
+
+<body onload="boom();">
+<div id="div"></div>
+</body>
+</html>
--- a/gfx/thebes/crashtests/crashtests.list
+++ b/gfx/thebes/crashtests/crashtests.list
@@ -1,15 +1,16 @@
load 345576-1.html
load 345629-1.html
load 369688-1.html
load 369947-1.html
load 372094-1.xhtml
load 377231-1.html
load 377232-1.xhtml
+load 377461-1.xhtml
load 383473-1.html
load 385417-1.html
load 385417-2.html
load 385719-1.html
load 394384-1.html
load 394246-1.html
skip-if(MOZ_WIDGET_TOOLKIT=="gtk2") load 394246-2.html # Bug 408746
load 404112-1.html