Bug 218715

fast/text/canvas-color-fonts/COLR.html has been a flaky assertion failure on iOS debug queues since it was imported with https://trac.webkit.org/changeset/269177

ASSERTION FAILED: settings().textAutosizingEnabled() && settings().textAutosizingUsesIdempotentMode()
./page/Page.cpp(3293) : void WebCore::Page::recomputeTextAutoSizingInAllFrames()
1   0x4ceef74e9 WTFCrash
2   0x4d6ca464b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x4da7640f1 WebCore::Page::recomputeTextAutoSizingInAllFrames()
4   0x4b9be2b76 WebKit::WebPage::textAutoSizingAdjustmentTimerFired()
5   0x4b9c1fa67 decltype(*(std::__1::forward<WebKit::WebPage*&>(fp0)).*fp()) std::__1::__invoke<void (WebKit::WebPage::*&)(), WebKit::WebPage*&, void>(void (WebKit::WebPage::*&)(), WebKit::WebPage*&)
6   0x4b9c1f9e0 std::__1::__bind_return<void (WebKit::WebPage::*)(), std::__1::tuple<WebKit::WebPage*>, std::__1::tuple<>, __is_valid_bind_return<void (WebKit::WebPage::*)(), std::__1::tuple<WebKit::WebPage*>, std::__1::tuple<> >::value>::type std::__1::__apply_functor<void (WebKit::WebPage::*)(), std::__1::tuple<WebKit::WebPage*>, 0ul, std::__1::tuple<> >(void (WebKit::WebPage::*&)(), std::__1::tuple<WebKit::WebPage*>&, std::__1::__tuple_indices<0ul>, std::__1::tuple<>&&)
7   0x4b9c1f999 std::__1::__bind_return<void (WebKit::WebPage::*)(), std::__1::tuple<WebKit::WebPage*>, std::__1::tuple<>, __is_valid_bind_return<void (WebKit::WebPage::*)(), std::__1::tuple<WebKit::WebPage*>, std::__1::tuple<> >::value>::type std::__1::__bind<void (WebKit::WebPage::*&)(), WebKit::WebPage*>::operator()<>()
8   0x4b9c1f93e WTF::Detail::CallableWrapper<std::__1::__bind<void (WebKit::WebPage::*&)(), WebKit::WebPage*>, void>::call()
9   0x4b80c8322 WTF::Function<void ()>::operator()() const
10  0x4b86d4cbe WebCore::Timer::fired()
11  0x4da976534 WebCore::ThreadTimers::sharedTimerFiredInternal()
12  0x4da97f521 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const
13  0x4da97f4ce WTF::Detail::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0, void>::call()
14  0x4d6cba582 WTF::Function<void ()>::operator()() const
15  0x4da92bd2b WebCore::MainThreadSharedTimer::fired()
16  0x4da9ed676 WebCore::timerFired(__CFRunLoopTimer*, void*)
17  0x4c5864112 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
18  0x4c5863be5 __CFRunLoopDoTimer
19  0x4c5863198 __CFRunLoopDoTimers
20  0x4c585d826 __CFRunLoopRun
21  0x4c585cb9e CFRunLoopRunSpecific
22  0x109684e61 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
23  0x109685075 -[NSRunLoop(NSRunLoop) run]
24  0x4c7190506 _xpc_objc_main
25  0x4c71924aa xpc_main
26  0x4b8b4ccb5 WebKit::XPCServiceMain(int, char const**)
27  0x4b9fdba9b WKXPCServiceMain
28  0x10955cd42 main
29  0x4c6e24415 start

https://results.webkit.org/?suite=layout-tests&test=fast%2Ftext%2Fcanvas-color-fonts%2FCOLR.html