[llvm-dev] DebugInfo proposal: Emit an explicit empty address range on CUs with no code addresses

[David Blaikie via llvm-dev]

Yeah, fair - I'll give it a week or something, see if Paul or anyone else
has ideas about why the existing behavior might be useful before I remove
it.

On Wed, Nov 28, 2018 at 10:27 AM Adrian Prantl <aprantl at apple.com> wrote:

>
> On Nov 28, 2018, at 9:50 AM, David Blaikie <dblaikie at gmail.com> wrote:
>
>
> > a) decide that a unit without ranges covers no ranges - and don't do the
>> search
>>
>> Are there compilers that do this ("forget" to emit ranges) that we care
>> to support with llvm-symbolizer?
>>
>
> I'm not specifically aware of any, though haven't gone looking.
>
>
> Just in case this wasn't obvious in the sub-text:
> I think we should figure out whether this assumption in llvm-symbolizer is
> actually needed to support a compiler we care about and then potentially
> remove it, or enforce it only when the CU is < DWARF 5 or something like
> that.
>
> -- adrian
>
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