r138933 - in /trunk/gcc: ChangeLog testsuite/Ch...

[manu@gcc.gnu.org]

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