Comment by musjleman

> In x64 compilers

The default is omission. If you have a Windows machine, in all likelihood almost no 64 bit code running on it has frame pointers.

> OR is there some magic in the pdata section that makes it work even if you omit the frame-pointer

You haven't ever needed frame pointers to unwind using ... unwind information. The same thing exists for linux as `.eh_frame` section.