[PATCH] Generate SEH unwinding info on Win64

[Aleksei]

Yes, of course. I trying to compile main.ll and get main.obj. llvm toolchain is builded from " git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211430 "
{F77276}
{F77277}

http://reviews.llvm.org/D4081