tree-ssa-live.c (clear_unused_block_pointer): Use explicitit (void) for function parameter.

2012-09-26  Dehao Chen  <dehao@google.com>

	* tree-ssa-live.c (clear_unused_block_pointer): Use explicitit (void)
	for function parameter.
	(remove_unused_locals): Don't use LOCATION_BLOCK if it is NULL.

From-SVN: r191779

gcc/ChangeLog

+2012-09-26  Dehao Chen  <dehao@google.com>
+
+	 * tree-ssa-live.c (clear_unused_block_pointer): Use explicitit (void)
+	for function parameter.
+	(remove_unused_locals): Don't use LOCATION_BLOCK if it is NULL.
+
 2012-09-26  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	* doc/extend.texi (bswap Builtins): Change signed types to unsigned
@@ -132,12 +138,6 @@
 	* lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Do not merge
 	cgraph nodes for builtins.
 
-2012-09-25  Dehao Chen  <dehao@google.com>
-
-	PR middle-end/54645
-	* c-family/c-pch.c (c_common_read_pch): Rebuild the location_adhoc_data
-	map when read in the pch.
-
 2012-09-25  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/54676

gcc/c-family/ChangeLog

+2012-09-25  Dehao Chen  <dehao@google.com>
+
+	PR middle-end/54645
+	* c-family/c-pch.c (c_common_read_pch): Rebuild the location_adhoc_data
+	map when read in the pch.
+
 2012-09-18 Arnaud Charlet  <charlet@adacore.com>
 
 	* c-ada-spec.c: Style fixes.

gcc/tree-ssa-live.c

@@ -627,7 +627,7 @@ clear_unused_block_pointer_1 (tree *tp, int *, void *)
    so that they will not be streamed out.  */
 
 static void
-clear_unused_block_pointer ()
+clear_unused_block_pointer (void)
 {
   basic_block bb;
   gimple_stmt_iterator gsi;
@@ -814,7 +814,7 @@ remove_unused_locals (void)
         }
 
       FOR_EACH_EDGE (e, ei, bb->succs)
-	if (e->goto_locus)
+	if (LOCATION_BLOCK (e->goto_locus) != NULL)
 	  TREE_USED (LOCATION_BLOCK (e->goto_locus)) = true;
     }