As Matthias says, you haven't attached the repro.

Judging from the stack trace only, are you sure you make a proper
reference to you object and it doesn't get garbage collected?

yours,
anton.

On Tue, Sep 14, 2010 at 2:18 AM, nicdex <[email protected]> wrote:
> Hi,
>
> I think I've discovered a bug, but before submitting it I wanted to
> ask, maybe I'm doing something wrong.
>
> My settings :
>
> v8: trunk (rev #5425)
> compiler: mingw32 (gcc 4.4.0)
>
> The problem :
>
> When using a get accessor inside an anonymous function and the
> receiver (this) is a C++ wrapped class (internal field pointing to the
> c++ object), the AccessorInfo.This() gets corrupted and it crashes
> when I try to access the internal field. It always crashes at the
> third time.
>
> Here is the gdb callstack :
>
> #0 63E261A2     v8::internal::HeapObject::map_word(this=0xa045f01) (src//
> objects-inl.h:1071)
> #1 63E2605D     v8::internal::HeapObject::map(this=0xa045f01) (src//
> objects-inl.h:1061)
> #2 63E26081     v8::internal::HeapObject::Size(this=0xa045f01) (src//
> objects-inl.h:1094)
> #3 63E7AF6E
> v8::internal::JSObject::GetInternalFieldCount(this=0xa045f01) (src//
> objects-inl.h:1268)
> #4 63C51964     v8::Object::CheckedGetInternalField(this=0x31abb4d,
> index=0) (src\api.cc:3138)
> #5 00420970     v8::Object::GetInternalField(this=0x31abb4d, index=0) (../
> include/v8.h:3468)
> #6 00425403
> Scripting::BitmapGridWrapper::GridXGetter(property={<v8::Handle<v8::String>>
> = {val_ = 0x603f814}, <No data fields>}, in...@0x603f82c) (C:\nicdex
> \dexdo\DGE\src\scripting\cppbinding.cpp:127)
> #7 00000000     0x0d3566bf in ??() (??:??)
> #8 00000000     0x0603f814 in ??() (??:??)
> #9 00000000     0x0603f82c in ??() (??:??)
> #10 00000000    0x0603f83c in ??() (??:??)
> #11 00000000    0x00000000 in ??() (??:??)
>
> See attachment for a c++ test file reproducing the bug.
>
> * Note that the callstack is from my original error, not the test, but
> it is the same error, only the origin changes.
>
> Thanks for your help.
>
> NicDex
>
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> http://groups.google.com/group/v8-users
>

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