From 1cd151d5b9e1fd46590d5e4c3473a86ea9bbe043 Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Tue, 10 Feb 2009 18:29:55 -0800
Subject: Simplify dead_stmtexpr_remover

	* staptree.h (update_visitor::require): Add a clearok parameter for
	optimizing traversers to signal that they're ready for NULL back.
	* elaborate.cxx (dead_stmtexpr_remover): Convert to an update_visitor.
---
 staptree.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'staptree.cxx')

diff --git a/staptree.cxx b/staptree.cxx
index 2b963bc3..9ffbaf09 100644
--- a/staptree.cxx
+++ b/staptree.cxx
@@ -2337,7 +2337,7 @@ update_visitor::visit_hist_op (hist_op* e)
 }
 
 template <> indexable*
-update_visitor::require <indexable*> (indexable* src)
+update_visitor::require <indexable*> (indexable* src, bool clearok)
 {
   indexable *dst = NULL;
   if (src != NULL)
@@ -2351,7 +2351,7 @@ update_visitor::require <indexable*> (indexable* src)
         dst = require (array_src);
       else
         dst = require (hist_src);
-      assert (dst);
+      assert(clearok || dst);
     }
   return dst;
 }
-- 
cgit