get rid of PTR macros

1 files changed, 1 insertions, 1 deletions

diff --git a/gcc/flow.c b/gcc/flow.c
index 308c4c1..08db64d 100755
--- a/gcc/flow.c
+++ b/gcc/flow.c
@@ -1627,7 +1627,7 @@ life_analysis_1 (f, nregs)
   basic_block_new_live_at_end = (regset *)0;
   basic_block_significant = (regset *)0;
 
-  obstack_free (&flow_obstack, NULL_PTR);
+  obstack_free (&flow_obstack, NULL);
 }
 
 /* Subroutines of life analysis.  */