diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4117eb34637..59b00d164f9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-10-19  Martin Liska  <mliska@suse.cz>
+
+	* cgraph.h (cgraph_edge::binds_to_current_def_p):
+	Replace NULL with false as a return value.
+
 2016-10-19  Thomas Schwinge  <thomas@codesourcery.com>
 
 	PR tree-optimization/78024
diff --git a/gcc/cgraph.h b/gcc/cgraph.h
index ecafe63a536..cc730d2faf1 100644
--- a/gcc/cgraph.h
+++ b/gcc/cgraph.h
@@ -3042,7 +3042,7 @@ cgraph_edge::binds_to_current_def_p ()
   if (callee)
     return callee->binds_to_current_def_p (caller);
   else
-    return NULL;
+    return false;
 }
 
 /* Return true if the TM_CLONE bit is set for a given FNDECL.  */