[Bug default/26646] unexpected declaration-only types

["gprocida at google dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=26646

--- Comment #34 from gprocida at google dot com ---
Hi.

compare_dies is almost exactly the right shape to be able to drop in the more
sophisticated cycle-handling logic (a.k.a. SCC finder) and I've posted an RFC
patch to show the small changes needed there and also to note that things don't
quite work, as mentioned already.

If had a better idea as to what compute_ and get_canonical_die_offset are
doing, I might be able to fix things myself, but I don't.

However, if you feel this is a separate project for another time, that's fair
enough.

In particular, I have no expectation that dropping in the SCC finder and
getting compare_dies working with it will do anything other than make the
aggregates-being-compared logic more precise and complete. I don't think it
will address this (declaration-only types) bug report in general.

Regards,
Giuliano.

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