* src/tgba/state.hh (state_ptr_less_than): Make sure left is

non-null.  Suggested by Denis Poitreneaud.

ChangeLog

+2003-08-25  Alexandre Duret-Lutz  <aduret@src.lip6.fr>
+
+	* src/tgba/state.hh (state_ptr_less_than): Make sure left is
+	non-null.  Suggested by Denis Poitreneaud.
+
 2003-08-23  Alexandre Duret-Lutz  <aduret@src.lip6.fr>
 
 	* wrap/python/Makefile.am (MAINTAINERCLEANFILES): Add

src/tgba/state.hh

@@ -46,6 +46,7 @@ namespace spot
     bool
     operator()(const state* left, const state* right) const
     {
+      assert(left);
       return left->compare(right) < 0;
     }
   };