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[Bug middle-end/20644] bogus uninitialized warning on unused variable
- From: "manu at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Aug 2008 18:47:31 -0000
- Subject: [Bug middle-end/20644] bogus uninitialized warning on unused variable
- References: <bug-20644-1186@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from manu at gcc dot gnu dot org 2008-08-10 18:47 -------
Subject: Bug 20644
Author: manu
Date: Sun Aug 10 18:46:10 2008
New Revision: 138933
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=138933
Log:
2008-08-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR middle-end/20644
* tree-ssa.c (struct walk_data): Add new flag
warn_possibly_uninitialized.
(warn_uninitialized_var): Use it.
(warn_uninitialized_vars): New.
(execute_early_warn_uninitialized): Call it.
(execute_late_warn_uninitialized): Likewise.
testsuite/
* gcc.dg/uninit-pr20644-O0.c: New.
* gcc.dg/uninit-pr20644.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/uninit-pr20644-O0.c
trunk/gcc/testsuite/gcc.dg/uninit-pr20644.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20644