These tests leak documents: Regressions: Unexpected leaks (5) dom/html/level2/html/HTMLAnchorElement14.html [ Leak ] dom/html/level2/html/HTMLInputElement20.html [ Leak ] dom/html/level2/html/HTMLSelectElement14.html [ Leak ] dom/html/level2/html/HTMLTextAreaElement14.html [ Leak ] dom/html/level2/html/HTMLTextAreaElement15.html [ Leak ]
<rdar://problem/44264066>
Possibly fixed by bug 188722.