[stubs] Port StoreGlobalStub to TurboFan.

src/code-stub-assembler.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/code-stub-assembler.h"
 #include "src/code-factory.h"
 #include "src/frames-inl.h"
 #include "src/frames.h"
 #include "src/ic/handler-configuration.h"
 #include "src/ic/stub-cache.h"
@@ skipping 4314 matching lines @@
         property_storage = LoadObjectField(property_storage, offset);
         // Store the double value into it.
         offset = HeapNumber::kValueOffset;
       }
     }
   }
 
   if (store_value_as_double) {
     StoreObjectFieldNoWriteBarrier(property_storage, offset, value,
                                    MachineRepresentation::kFloat64);
+  } else if (representation.IsSmi()) {
+    StoreObjectFieldNoWriteBarrier(property_storage, offset, value);
   } else {
     StoreObjectField(property_storage, offset, value);
   }
 }
 
 Node* CodeStubAssembler::EnumLength(Node* map) {
   Node* bitfield_3 = LoadMapBitField3(map);
   Node* enum_length = BitFieldDecode<Map::EnumLengthBits>(bitfield_3);
   return SmiTag(enum_length);
 }
@@ skipping 72 matching lines @@
                        Heap::kTheHoleValueRootIndex);
 
   // Store the WeakCell in the feedback vector.
   StoreFixedArrayElement(feedback_vector, slot, cell, UPDATE_WRITE_BARRIER,
                          CodeStubAssembler::SMI_PARAMETERS);
   return cell;
 }
 
 }  // namespace internal
 }  // namespace v8