[PATCH] Update TREE_USED bit on blocks

[Richard Guenther]

On Wed, Apr 22, 2009 at 11:46 PM, Eric Botcazou <ebotcazou@adacore.com> wrote:
>> > Tested (GCC, GDB) on i586-suse-linux, OK for mainline?
>>
>> Ok.  Micha - this likely makes it possible to use remove-unused-locals in
>
> That's a regression from GCC 4.3 at -O0 for the other debug back-ends so can I
> install it on the 4.4 branch as well?

Yes.

Thanks,
Richard.

>
> 2009-04-22  Eric Botcazou  <ebotcazou@adacore.com>
>
>        Backport from mainline:
>        2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
>        * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
>        * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
>
>
> --
> Eric Botcazou
>