[Webkit-unassigned] [Bug 38993] New: Followup: JIT for mingw-w64

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=38993

           Summary: Followup: JIT for mingw-w64
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows 7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: vanboxem.ruben at gmail.com
                CC: loki at webkit.org, laszlo.1.gombos at nokia.com,
                    benjamin.poulain at nokia.com


This is a follow-up to the ad interim fix in https://bugs.webkit.org/show_bug.cgi?id=38747. This bug report serves for the true fixing of JIT. JIT has been disabled for mingw-w64, but should be fixed somehow. It is a runtime crash when (I think) JIT is called in a program. The way I found the bug is opening a web page in the Qt browser demo or open a doc page in Assistant.

Building Qt 4.7 with mingw-w64: https://trac.webkit.org/wiki/BuildingQtOnWindows#AWorksForMeStep-by-StepGuidetobuildingQtWebKitonWindowsusingmingw-w64w32
(Use the drangon build or the sezero_old build, because there are issues with the _new build concerning underscoring in JavaScriptCore/jit/JITStubs.cpp)

PS: this bug should not block the release of 2.0 IMHO, this can be fixed later on.
PS2: if the howto doesn't work for you, please inform me.

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