[Webkit-unassigned] [Bug 185591] New: [EME][LayoutTest] The WPT test clearkey-mp4-playback-retrieve-persistent-license.https.html crashes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185591

            Bug ID: 185591
           Summary: [EME][LayoutTest] The WPT test
                    clearkey-mp4-playback-retrieve-persistent-license.http
                    s.html crashes
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit WPE
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bandou.yacine at gmail.com
                CC: bugs-noreply at webkitgtk.org, calvaris at igalia.com,
                    olivier.blin at softathome.com

In Debug conf case, the following WPT encrypted-media test "clearkey-mp4-playback-retrieve-persistent-license.https.html"  craches.
Here is the call stack :

 STDERR: ASSERTION FAILED: !m_valueOrException
STDERR: ../../Source/WebCore/bindings/js/DOMPromiseProxy.h(221) : void WebCore::DOMPromiseProxy<WebCore::IDLVoid>::resolve()
STDERR: 1   0x7fa422332ae5 WTFCrash
STDERR: 2   0x7fa420bb115d WebCore::DOMPromiseProxy<WebCore::IDLVoid>::resolve()
STDERR: 3   0x7fa420ba9ccc WebCore::MediaKeySession::sessionClosed()

The test crashes in the function
DOMPromiseProxy<IDLType>::resolve    -->   Source/WebCore/bindings/js/DOMPromiseProxy.h: 154

which is called by  MediaKeySession::sessionClosed() -->  Source/WebCore/Modules/encryptedmedia/MediaKeySession.cpp: 683

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