--- old/src/hotspot/share/gc/g1/g1ParScanThreadState.cpp	2018-04-16 13:05:18.799510308 +0200
+++ new/src/hotspot/share/gc/g1/g1ParScanThreadState.cpp	2018-04-16 13:05:18.475500372 +0200
@@ -49,8 +49,8 @@
     _scanner(g1h, this),
     _hash_seed(17),
     _worker_id(worker_id),
-    _stack_drain_upper_threshold(GCDrainStackTargetSize * 2 + 1),
-    _stack_drain_lower_threshold(GCDrainStackTargetSize),
+    _stack_trim_upper_threshold(GCDrainStackTargetSize * 2 + 1),
+    _stack_trim_lower_threshold(GCDrainStackTargetSize),
     _trim_ticks(),
     _old_gen_is_full(false)
 {