[Webkit-unassigned] [Bug 48912] New: ARM JIT asserts when loading http://reader.google.com

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Nov 3 06:26:36 PDT 2010


           Summary: ARM JIT asserts when loading http://reader.google.com
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
               URL: http://reader.google.com
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P3
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jocelyn.turcotte at nokia.com

ASSERTION FAILED: differenceBetween(m_uninterruptedInstructionSequenceBegin, label()) == insnSpace
(../../../qtwebkit-webkit2-dev/JavaScriptCore/jit/JITInlineMethods.h:127 void JSC::JIT::endUninterruptedSequence(int, int))

It happens under JIT::compileGetByIdSlowCase, stubCall.call(dst) eventually calls ARMAssembler::dataTransfer32 which might generate 1 or 2 instructions depending on the value of "dst".

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