[Dwarf-discuss] Question on Clang 18.1.8 and DW_IDX_parent

[David Anderson]

On 9/3/24 10:06, David Blaikie via Dwarf-discuss wrote:
> Some context:
> https://discourse.llvm.org/t/rfc-improve-dwarf-5-debug-names-type-lookup-parsing-speed/74151/44 <https://discourse.llvm.org/t/rfc-improve-dwarf-5-debug-names-type-lookup-parsing-speed/74151/44>
> https://github.com/llvm/llvm-project/pull/77457
> <https://github.com/llvm/llvm-project/pull/77457>
>
> Essentially clang/llvm produces DW_IDX_parent with DW_FORM_flag_present
> when the entry has a parent, but that parent isn't indexed (I think this
> mostly comes up for the entities that are direct children of the unit DIE).

I added support for this in libdwarf a day or two ago,
and I really appreciate the explanation of the intent.

Many thanks.
David Anderson
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