[Webkit-unassigned] [Bug 127677] New: Segfault in JSC::JITCode::execute

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=127677

           Summary: Segfault in JSC::JITCode::execute
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: hodovanmartin at gmail.com


Created an attachment (id=222311)
 --> (https://bugs.webkit.org/attachment.cgi?id=222311&action=review)
Test case

The failing test: (The test was ran on x86_64, Ubuntu 13.04)
function function_0 ()
{
    if (!new Array(0, -1).some(function_0))
        [ 
            {
                y : 0 
            }
        ], x;
}
function_0();

The backtrace:
Program received signal SIGSEGV, Segmentation fault.
0x00007fffaa57b0b0 in ?? ()
(gdb) bt
#0  0x00007fffaa57b0b0 in ?? ()
#1  0x00007fffea579100 in ?? ()
#2  0x0000000000651670 in ?? ()
#3  0xffff000000000002 in ?? ()
#4  0xffff000000000000 in ?? ()
#5  0x00007fffffffde70 in ?? ()
#6  0x00007fffa9d4c0f0 in ?? ()
#7  0x00007ffffff57790 in ?? ()
#8  0x00007ffff7248acc in JSC::JITCode::execute (this=0xa, vm=0xffff0000ffffffff, protoCallFrame=0xffff000000000000, topOfStack=0xa)
    at /home/martin/Data/WebKit/Source/JavaScriptCore/jit/JITCode.cpp:48
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

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