--- old/src/hotspot/share/memory/memRegion.cpp	2020-02-14 18:02:38.955619545 +0100
+++ new/src/hotspot/share/memory/memRegion.cpp	2020-02-14 18:02:38.747616657 +0100
@@ -101,3 +101,11 @@
   ShouldNotReachHere();
   return MemRegion();
 }
+
+MemRegion* MemRegion::create(uint length, MEMFLAGS flags) {
+  MemRegion* result = NEW_C_HEAP_ARRAY(MemRegion, length, flags);
+  for (uint i = 0; i < length; i++) {
+    ::new (&result[i]) MemRegion();
+  }
+  return result;
+}