--- old/src/hotspot/share/gc/shared/cardTable.cpp	2020-02-12 12:49:41.821596619 +0100
+++ new/src/hotspot/share/gc/shared/cardTable.cpp	2020-02-12 12:49:41.420583974 +0100
@@ -61,6 +61,9 @@
   assert(card_size <= 512, "card_size must be less than 512"); // why?
 
   _covered = new MemRegion[_max_covered_regions];
+  if (_covered == NULL) {
+    vm_exit_during_initialization("Could not allocate card table covered region set.");
+  }
 }
 
 CardTable::~CardTable() {
@@ -85,6 +88,9 @@
 
   _cur_covered_regions = 0;
   _committed = new MemRegion[_max_covered_regions];
+  if (_committed == NULL) {
+    vm_exit_during_initialization("Could not allocate card table committed region set.");
+  }
 
   const size_t rs_align = _page_size == (size_t) os::vm_page_size() ? 0 :
     MAX2(_page_size, (size_t) os::vm_allocation_granularity());