[Webkit-unassigned] [Bug 209450] New: REGRESSION: [ iOS wk2 Debug ] fast/text/control-characters/visible-control-characters-1.html is flaky crashing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209450

            Bug ID: 209450
           Summary: REGRESSION: [ iOS wk2 Debug ]
                    fast/text/control-characters/visible-control-character
                    s-1.html is flaky crashing.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: iPhone / iPad
                OS: iOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Lawrence.j at apple.com

Created attachment 394327

  --> https://bugs.webkit.org/attachment.cgi?id=394327&action=review

visible-control-characters-1-crash-log

fast/text/control-characters/visible-control-characters-1.html

Description:
This test is flaky crashing on iOS wk2 Debug. The oldest crash in the visible history appears on 03/01/2020.


History:
https://results.webkit.org/?suite=layout-tests&test=fast%2Ftext%2Fcontrol-characters%2Fvisible-control-characters-1.html&platform=ios&limit=50000&style=debug

Crash Log
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore            0x00000003a417f75e WTFCrash + 14 (Assertions.cpp:309)
1   com.apple.WebCore                   0x00000003a958539b WTFCrashWithInfo(int, char const*, char const*, int) + 27
2   com.apple.WebCore                   0x00000003ac8cc4f1 WebCore::Page::recomputeTextAutoSizingInAllFrames() + 145 (Page.cpp:3044)
3   com.apple.WebKit                    0x0000000391828491 WebKit::WebPage::textAutoSizingAdjustmentTimerFired() + 33 (WebPage.cpp:7033)
4   com.apple.WebKit                    0x0000000391864241 decltype(*(std::__1::forward<WebKit::WebPage*&>(fp0)).*fp()) std::__1::__invoke<void (WebKit::WebPage::*&)(), WebKit::WebPage*&, void>(void (WebKit::WebPage::*&)(), WebKit::WebPage*&) + 113 (type_traits:4302)

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