[RFA] Windows x64 SEH unwinder (v2)

[Roland Schwingel]

Hi Pedro

 > > I think I understand the issue.
 > >
 > > This is caused by DW_OP_call_frame_cfa, which is supported only by
 > > the dwarf2 unwinder.
 > > This issue has been fixed in gcc (CL date is 2012-03-15).
 >
 > It took me a bit to dig out which patch that was, to understand
 > what the issue is.  For the benefit of others, it's here:
 > http://gcc.gnu.org/ml/gcc-patches/2012-03/msg00980.html

This patch is already part of the gcc 4.8 I am using and is 
unfortunately not curing the problem. I will try tristan's new patch 
soon to see whether it is working now (where I do have a lot of 
convidence in).

Roland