r192300 - Use aliases for more constructors and destructors.

[Rui Ueyama]

After this patch is submitted, gold linker started printing bunch of
"warning: relocation refers to discarded section" warning messages. I don't
know if this is a bug of gold or this patch. Rafael, do you have any idea?


On Wed, Oct 9, 2013 at 5:14 PM, Eric Christopher <echristo at gmail.com> wrote:

> On Wed, Oct 9, 2013 at 2:14 PM, Rafael Espíndola
> <rafael.espindola at gmail.com> wrote:
> > The problem seems to be that clang produces
> >
> > _ZN7DerivedD1Ev = _ZN7DerivedD2Ev
> > _ZN7DerivedD2Ev = _ZN4BaseD2Ev
> >
> > While gcc is less aggressive:
> >
> > .set _ZN7DerivedD1Ev,_ZN7DerivedD2Ev
> >
> > Should we disable the "derived destructor == base destructor"
> > optimization at -O0?
> >
>
> We definitely shouldn't disable it at a particular optimization level
> just to make debugging easier. The testcase isn't very clear why it
> expects that we should be able to go up from the derived destructor to
> the base destructor here.
>
> -eric
>
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