diff -r 4502902f343d -r ed8a43d83fcc test/hotspot/jtreg/gc/concurrent_phase_control/TestConcurrentPhaseControlG1.java
--- a/test/hotspot/jtreg/gc/concurrent_phase_control/TestConcurrentPhaseControlG1.java	Mon May 14 11:47:03 2018 +0200
+++ b/test/hotspot/jtreg/gc/concurrent_phase_control/TestConcurrentPhaseControlG1.java	Mon May 14 11:47:03 2018 +0200
@@ -51,6 +51,7 @@
         {"CONCURRENT_MARK", "Concurrent Mark [^FR]"},
         {"IDLE", null},  // Resume IDLE before testing subphases
         {"MARK_FROM_ROOTS", "Concurrent Mark From Roots"},
+        {"PRECLEAN", "Concurrent Preclean"},
         {"BEFORE_REMARK", null},
         {"REMARK", "Pause Remark"},
         {"REBUILD_REMEMBERED_SETS", "Concurrent Rebuild Remembered Sets"},