+2017-06-19 Martin Liska <mliska@suse.cz>
+
+ * Makefile.def: Define 4 stages PGO bootstrap.
+ * Makefile.tpl: Define FLAGS.
+ * Makefile.in: Regenerate.
+
2017-06-14 Ian Lance Taylor <iant@golang.org>
* Makefile.def: Add check-gotools to go check targets.