On Mon, Sep 28, 2020 at 12:31:59PM +0200, Mark Wielaard wrote:
> Finally I am interested in your proposal to implement a different way
> to reduce the size of DIE trees by eliminating "unused" DIEs. It is
> hard to predict what effect that would have without seeing an
> implementation (in theory GCC with LTO would not actually generate
> debuginfo for unused functions). But I think that can be done separate
> from your proposal and combined with other size reduction techniques.
And note that GCC already does implement
-feliminate-unused-debug-{symbols,types} which are enabled by default and
are (at least in my eyes) sometimes too aggressive, so by eliminating even further
DIEs the debug experience might be even worse.
Jakub
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