[PATCH] [lld] Enable writing of compact unwind sections

[Tim Northover]

>> Another option for the assert might be simply putting the data back
>> into an __LD,__compact_unwind section for now. As I understand it,
>> that would be harmless for correctness (libUnwind just carries on to
>> __eh_frame directly if there's no __TEXT,__unwind_info), and it would
>> fit reasonably into the current scheme.
>
> This is a reasonable short term solution.

OK, I've done that for now (r212032). Hopefully we can write that pass
fairly soon, but there are probably a few more basic things to poke at
before then.

Cheers.

Tim.