Bug 1439793: Crashtest. r=xidorn

MozReview-Commit-ID: 9szcIWSRxDX --HG-- extra : rebase_source : 43565f5b15da5c0c30f40f11a804bea15bbe77ea
dothq · Feb 21, 2018 · 99faa7a · 99faa7a
1 parent e17b06c
commit 99faa7a
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diff --git a/layout/style/crashtests/1439793.html b/layout/style/crashtests/1439793.html
@@ -0,0 +1,10 @@
+<script>
+  o1 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mfenced")
+  document.documentElement.appendChild(o1);
+  o3 = document.createElementNS("http://www.w3.org/1999/xhtml", "style");
+  o3.appendChild(document.createTextNode("[s=\"\"]{"));
+  (document.head || document.children[0]).appendChild(o3);
+  o4 = o3.sheet;
+  window.scrollBy(0.41979783887602806, 16);
+  o4.insertRule("::-moz-math-anonymous,g{scroll-behavior:smooth", 1);
+</script>
diff --git a/layout/style/crashtests/crashtests.list b/layout/style/crashtests/crashtests.list
@@ -267,3 +267,4 @@ load 1418059.html
 skip-if(!stylo) test-pref(dom.animations-api.core.enabled,true) load 1418867.html
 pref(dom.webcomponents.shadowdom.enabled,true) load 1419554.html
 load 1426312.html
+load 1439793.html