Re: PR 23551: why should we coalesce inlined variables?

["Richard Guenther" <richard dot guenther at gmail dot com>]

On 7/8/07, Alexandre Oliva <aoliva@redhat.com> wrote:
> On Jul  7, 2007, Jan Hubicka <hubicka@ucw.cz> wrote:
>
> >> On Jun 28, 2007, Andrew MacLeod <amacleod@redhat.com> wrote:
> >>
> >> > I fooled around with some simple cases, and didn't find anything that
> >> > made much difference.  Whats a testcase you have which shows this
> >> > helping?
> >>
> >> Err...  I'm sure I had something when I posted the patch, but the
> >> build tree in which I came up with the testcase is long gone, and I no
> >> longer remember the details.  On a more recent build tree, I couldn't
> >> really find any case in which the patch really made a difference as to
> >> debug info :-(

Given the above

> > this patch seems to be responsible for 90% memory consumption increase
> > at rtl-optimization/28071 -O3:

and this

> And rightly so, I guess.  Formerly, we discarded information to the
> point of making the program utterly undebuggable.

this can't be true and so I propose to revert this patch for now.  Especially
on the ground that my fear of increasing memory usage turned out to
be true.

Richard.