#include "config.h"
#endif
-# include "st.h"
+# include <stdio.h>
+# include <stdlib.h>
+# include "st.h"
# include "irgwalk.h"
-
-# include <stdio.h>
-# ifdef DEBUG_libfirm
-# endif /* def DEBUG_libfirm */
-# include <stdlib.h>
-# include "misc.h"
+# include "xmalloc.h"
/* init globals: */
/*static*/ dtree_t *trees = 0;