[PATCH] Update TREE_USED bit on blocks
Eric Botcazou
ebotcazou@adacore.com
Fri Apr 17 18:38:00 GMT 2009
Hi,
in the patch at http://gcc.gnu.org/ml/gcc-patches/2009-02/msg01025.html, Jan
surreptitiously removed a test on TREE_USED from dbxout.c without realizing
that the idiom is present in other debug back-ends as well. I think that a
better approach is to update TREE_USED instead.
Tested (GCC, GDB) on i586-suse-linux, OK for 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
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