diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index c07fa061743..3ea90dadd1d 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,9 @@
+2011-03-31  Richard Guenther  <rguenther@suse.de>
+
+	PR lto/48246
+	* lto.c (lto_wpa_write_files): Disable assert for non-empty
+	partitions when checking is not enabled.
+
 2011-03-25  Kai Tietz  <ktietz@redhat.com>
 
 	* lto.c (lto_resolution_read): Use filename_cmp instead
diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c
index 099243bfda4..6ab75357321 100644
--- a/gcc/lto/lto.c
+++ b/gcc/lto/lto.c
@@ -1514,8 +1514,8 @@ lto_wpa_write_files (void)
 	  fprintf (cgraph_dump_file, "varpool nodes:");
 	  dump_varpool_node_set (cgraph_dump_file, vset);
 	}
-      gcc_assert (cgraph_node_set_nonempty_p (set)
-		  || varpool_node_set_nonempty_p (vset) || !i);
+      gcc_checking_assert (cgraph_node_set_nonempty_p (set)
+			   || varpool_node_set_nonempty_p (vset) || !i);
 
       lto_set_current_out_file (file);