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Re: [PATCH] Update TREE_USED bit on blocks

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Richard Guenther <richard dot guenther at gmail dot com>
Cc: gcc-patches at gcc dot gnu dot org, Michael Matz <matz at suse dot de>
Date: Wed, 22 Apr 2009 23:46:37 +0200
Subject: Re: [PATCH] Update TREE_USED bit on blocks
References: <200904172038.23128.ebotcazou@adacore.com> <84fc9c000904171152od63de05ye63e100bbd2ab041@mail.gmail.com>

> > 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?


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

Follow-Ups:
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References:
- [PATCH] Update TREE_USED bit on blocks
  - From: Eric Botcazou
- Re: [PATCH] Update TREE_USED bit on blocks
  - From: Richard Guenther

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