Bug 1422883: Crashtest. r=emilio

MozReview-Commit-ID: HaE9RYyMrmZ
2018-05-02 04:19:12 +02:00 · 2018-05-02 04:19:12 +02:00 · 8e22327e93
--- a/dom/base/crashtests/1422883.html
+++ b/dom/base/crashtests/1422883.html
@ -0,0 +1,10 @@
+<style>
+:after{-webkit-mask:url(#);content:counter(a)}
+</style>
+<script>
+function go(){
+  a.attachShadow({mode:"closed"})
+}
+</script>
+<body onload=go()>
+<h2 id="a">
--- a/dom/base/crashtests/crashtests.list
+++ b/dom/base/crashtests/crashtests.list
@ -238,6 +238,7 @@ load 1411473.html
 pref(dom.webcomponents.shadowdom.enabled,false) load 1422931.html
 pref(dom.webcomponents.shadowdom.enabled,true) load 1419799.html
 skip-if(!browserIsRemote) pref(dom.webcomponents.customelements.enabled,true) pref(dom.disable_open_during_load,false) load 1419902.html # skip on non e10s loads, Bug 1419902
+pref(dom.webcomponents.shadowdom.enabled,true) load 1422883.html
 pref(dom.webcomponents.shadowdom.enabled,true) load 1428053.html
 load 1449601.html
 load 1445670.html