#include "config.h"
#include "system.h"
#include "coretypes.h"
-#include "alias.h"
-#include "tree.h"
#include "options.h"
+#include "tree.h"
#include "diagnostic.h"
+#include "alias.h"
#include "tree-pretty-print.h"
#include "tree-diagnostic.h"
#include "dumpfile.h" /* TDF_DIAGNOSTIC */