[Webkit-unassigned] [Bug 79040] New: [Qt] tst_QWebPage::infiniteLoopJS() timeouts with DFG JIT

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79040

           Summary: [Qt] tst_QWebPage::infiniteLoopJS() timeouts with DFG
                    JIT
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: Qt, QtTriaged
          Severity: Critical
          Priority: P1
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ossy at webkit.org


tst_QWebPage Qt API tests fails after enabling DFG JIT:

QFATAL : tst_QWebPage::infiniteLoopJS() Received signal 15 
FAIL!  : tst_QWebPage::infiniteLoopJS() Received a fatal error.

But unfortunately we didn't notice it before, because zillion API tests fail
and nobody cares with them. And unfortunately timeouts were hidden before
http://trac.webkit.org/changeset/108246

It might be a JSC bug, but we should check it on a small QWebPage independent example.

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