[turbofan] Utilize maps from field type tracking to eliminate map checks.

src/compiler/load-elimination.cc

Index: src/compiler/load-elimination.cc
diff --git a/src/compiler/load-elimination.cc b/src/compiler/load-elimination.cc
index 4a5114625189483820ba5c64dfc7f90de0d9e6ff..b0175631863a2b84cd777fdc392b0db0ea55a5fc 100644
--- a/src/compiler/load-elimination.cc
+++ b/src/compiler/load-elimination.cc
@@ -744,6 +744,10 @@ Reduction LoadElimination::ReduceLoadField(Node* node) {
       state = state->AddField(object, field_index, node, zone());
     }
   }
+  Handle<Map> field_map;
+  if (access.map.ToHandle(&field_map)) {
+    state = state->AddMaps(node, ZoneHandleSet<Map>(field_map), zone());
+  }
   return UpdateState(node, state);
 }