--- a/src/hotspot/share/prims/whitebox.cpp	Thu Feb 22 18:35:40 2018 +0100
+++ b/src/hotspot/share/prims/whitebox.cpp	Thu Feb 22 18:36:07 2018 +0100
@@ -1219,12 +1219,12 @@
 WB_END
 
 WB_ENTRY(void, WB_FullGC(JNIEnv* env, jobject o))
-  Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(true);
+  Universe::heap()->soft_ref_policy()->set_should_clear_all_soft_refs(true);
   Universe::heap()->collect(GCCause::_wb_full_gc);
 #if INCLUDE_ALL_GCS
   if (UseG1GC) {
     // Needs to be cleared explicitly for G1
-    Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(false);
+    Universe::heap()->soft_ref_policy()->set_should_clear_all_soft_refs(false);
   }
 #endif // INCLUDE_ALL_GCS
 WB_END