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Re: [patch] dwarf2out: Drop the size + performance overhead of DW_AT_sibling
On Oct 17, 2011, at 3:16 PM, Tom Tromey wrote:
>>>>>> "Tristan" == Tristan Gingold <gingold@adacore.com> writes:
>
> Tom> Another way to look at it is that there have been many changes to GCC's
> Tom> DWARF output in the last few years. Surely these have broken these
> Tom> DWARF consumers more than this change possibly could.
>
> Tristan> Yes, but there is -gstrict-dwarf to stay compatible with old behavior.
>
> Yes, but this change is strictly compliant.
Agreed.
> What makes it different
> from any other change that was made to make GCC more compliant?
> Hypothetical consumers could also break on those changes.
The others changes were often corner cases, while this one is very visible.
What is wrong with my suggestion of adding a command line option to keep the siblings ? This option could be removed in a few years if nobody complained about sibling removal.
Tristan.