[turbofan] Track multiple maps for LoadElimination.

src/compiler/js-global-object-specialization.cc

Index: src/compiler/js-global-object-specialization.cc
diff --git a/src/compiler/js-global-object-specialization.cc b/src/compiler/js-global-object-specialization.cc
index 7959b7562d59834bd52dbb19e909d5b49200a9b4..bfc424e9dc1344e754e5f2fd80b16641158924e0 100644
--- a/src/compiler/js-global-object-specialization.cc
+++ b/src/compiler/js-global-object-specialization.cc
@@ -206,9 +206,9 @@ Reduction JSGlobalObjectSpecialization::ReduceJSStoreGlobal(Node* node) {
                                           value, effect, control);
 
         // Check {value} map agains the {property_cell} map.
-        effect = graph()->NewNode(
-            simplified()->CheckMaps(1), value,
-            jsgraph()->HeapConstant(property_cell_value_map), effect, control);
+        effect = graph()->NewNode(simplified()->CheckMaps(ZoneHandleSet<Map>(
+                                      property_cell_value_map)),
+                                  value, effect, control);
         property_cell_value_type = Type::OtherInternal();
         representation = MachineRepresentation::kTaggedPointer;
       } else {