* tree-ssa-forwprop.c (forward_propagate_into_cond,

	tree_ssa_forward_propagate_single_use_va): Release defs of propagated
	statement.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120580 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e9f510..58f9cd8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-08  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssa-forwprop.c (forward_propagate_into_cond,
+       tree_ssa_forward_propagate_single_use_va): Release defs of propagated
+       statement.
+
 2007-01-08  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/23603

diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c
index 638224a..a5267ae 100644 (file)
--- a/gcc/tree-ssa-forwprop.c
+++ b/gcc/tree-ssa-forwprop.c
@@ -561,6 +561,7 @@ forward_propagate_into_cond (tree cond_expr)
          tree def = SSA_NAME_DEF_STMT (test_var);
          block_stmt_iterator bsi = bsi_for_stmt (def);
          bsi_remove (&bsi, true);
+         release_defs (def);
        }
     }
 
@@ -999,7 +1000,10 @@ tree_ssa_forward_propagate_single_use_vars (void)
                {
                  bool some = false;
                  if (forward_propagate_addr_expr (stmt, &some))
-                   bsi_remove (&bsi, true);
+                   {
+                     release_defs (stmt);
+                     bsi_remove (&bsi, true);
+                   }
                  else
                    bsi_next (&bsi);
                  if (some)