[Webkit-unassigned] [Bug 206326] New: REGRESSION: [ Mac Debug ] http/tests/images/png-progressive-load.html is a flaky crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=206326

            Bug ID: 206326
           Summary: REGRESSION: [ Mac Debug ]
                    http/tests/images/png-progressive-load.html is a flaky
                    crash
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tsavell at apple.com

http/tests/images/png-progressive-load.html

Description:
This test began crashing recently around r254307 on Mac Debug. 

History:
https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fimages%2Fpng-progressive-load.html

Crash Log:
https://build.webkit.org/results/Apple-Catalina-Debug-WK2-Tests/r254636%20(1716)/http/tests/images/png-progressive-load-crash-log.txt

No crash log found for com.apple.WebKit.WebContent.Development:95013.

stdout:

stderr:
ASSERTION FAILED: &m_runLoop == &RunLoop::current()
./platform/graphics/ImageSource.cpp(70) : WebCore::ImageSource::~ImageSource()
1   0x12ac7e699 WTFCrash
2   0x11078046b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x1140759b6 WebCore::ImageSource::~ImageSource()
4   0x114075b45 WebCore::ImageSource::~ImageSource()

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