Add reported testcase
The bug itself was fixed by the patch for bug 1861603.
Differential Revision: https://phabricator.services.mozilla.com/D193158
bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1863771
gecko-commit: ce6856251eaa02f379783c4f935d3b673c501780
gecko-reviewers: m_kato
diff --git a/editing/crashtests/delete-at-next-to-svg-display-table-cell.html b/editing/crashtests/delete-at-next-to-svg-display-table-cell.html
new file mode 100644
index 0000000..edb38bb
--- /dev/null
+++ b/editing/crashtests/delete-at-next-to-svg-display-table-cell.html
@@ -0,0 +1,18 @@
+<!doctype html>
+<html>
+<head>
+<meta charset="utf-8">
+<script>
+addEventListener("load", async () => {
+ document.documentElement.setAttribute("contenteditable", "true");
+ getSelection().collapse(document.body.lastChild, document.body.lastChild.length);
+ document.execCommand("delete");
+});
+</script>
+</head>
+<body><svg>
+ <svg display="table-cell">
+ </svg>
+</svg>
+</body>
+</html>
