r150747 - in /branches/var-tracking-assignments...

[aoliva@gcc.gnu.org]

Author: aoliva
Date: Fri Aug 14 11:22:53 2009
New Revision: 150747

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=150747
Log:
* tree-ssa-dce.c (mark_stmt_necessary): Don't mark block as
containing live stmts because of debug insn.
(eliminate_unnecessary_stmts): Walk blocks backwards.

Modified:
    branches/var-tracking-assignments-branch/gcc/ChangeLog.vta
    branches/var-tracking-assignments-branch/gcc/tree-ssa-dce.c