diff -r f61a63b7d1e5 -r ee577901f4bb langtools/test/tools/sjavac/IncCompileDropClasses.java
--- a/langtools/test/tools/sjavac/IncCompileDropClasses.java	Wed Jul 05 20:50:41 2017 +0200
+++ b/langtools/test/tools/sjavac/IncCompileDropClasses.java	Mon Sep 21 11:19:10 2015 +0200
@@ -71,6 +71,7 @@
         removeFrom(GENSRC, "alfa/omega/AA.java");
         compile(GENSRC.toString(),
                 "-d", BIN.toString(),
+                "--state-dir=" + BIN,
                 "-h", HEADERS.toString(),
                 "-j", "1",
                 SERVER_ARG,