[PATCH] D27415: [ELF] - Replace MergeOutputSection with synthetic input section MergeSection.

Rui Ueyama via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 12 15:36:22 PST 2016

On Mon, Dec 12, 2016 at 3:34 PM, Rafael Avila de Espindola <
rafael.espindola at gmail.com> wrote:

> Rui Ueyama via Phabricator <reviews at reviews.llvm.org> writes:
> > I think that my point is, if a section is written to output, it should
> > be marked as "live" whatever its type is.
> Agreed.
> > If non-alloc sections are copied to output unconditionally, they should
> be marked as "live" by default from the beginning.
> I thought we did just that.
> > Doing something "non-live sections are sometimes actually live under
> some condition, so handle that special case here" is not a good idea.
> The only complication we have that is unfortunately necessary given how
> current debug info is implemented is that a non-alloc (and therefore
> live) section can have a relocation pointing to a dead alloc section.

Does that mean we are keeping some debug sections although they can be
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