[builtins] More stubs to the builtin-o-sphere.

src/builtins/builtins-constructor.h

Index: src/builtins/builtins-constructor.h
diff --git a/src/builtins/builtins-constructor.h b/src/builtins/builtins-constructor.h
index b58522eb82f225084e9f9e96195035570acb606b..86c412b91f714bf79d2d96c23bbaa88cd48195b1 100644
--- a/src/builtins/builtins-constructor.h
+++ b/src/builtins/builtins-constructor.h
@@ -9,6 +9,7 @@ namespace internal {
 
 typedef compiler::Node Node;
 typedef compiler::CodeAssemblerState CodeAssemblerState;
+typedef compiler::CodeAssemblerLabel CodeAssemblerLabel;
 
 class ConstructorBuiltinsAssembler : public CodeStubAssembler {
  public:
@@ -20,10 +21,37 @@ class ConstructorBuiltinsAssembler : public CodeStubAssembler {
                                    ScopeType scope_type);
   static int MaximumFunctionContextSlots();
 
+  Node* EmitFastCloneRegExp(Node* closure, Node* literal_index, Node* pattern,
+                            Node* flags, Node* context);
+  Node* EmitFastCloneShallowArray(Node* closure, Node* literal_index,
+                                  Node* context,
+                                  CodeAssemblerLabel* call_runtime,
+                                  AllocationSiteMode allocation_site_mode);
+
+  // Maximum number of elements in copied array (chosen so that even an array
+  // backed by a double backing store will fit into new-space).
+  static const int kMaximumClonedShallowArrayElements =
+      JSArray::kInitialMaxFastElementArray * kPointerSize / kDoubleSize;
+
+  void CreateFastCloneShallowArrayBuiltin(
+      AllocationSiteMode allocation_site_mode);
+
+  // Maximum number of properties in copied objects.
+  static const int kMaximumClonedShallowObjectProperties = 6;
+  static int FastCloneShallowObjectPropertiesCount(int literal_length);
+  Node* EmitFastCloneShallowObject(CodeAssemblerLabel* call_runtime,
+                                   Node* closure, Node* literals_index,
+                                   Node* properties_count);
+  void CreateFastCloneShallowObjectBuiltin(int properties_count);
+
  private:
   static const int kMaximumSlots = 0x8000;
   static const int kSmallMaximumSlots = 10;
 
+  Node* NonEmptyShallowClone(Node* boilerplate, Node* boilerplate_map,
+                             Node* boilerplate_elements, Node* allocation_site,
+                             Node* capacity, ElementsKind kind);
+
   // FastNewFunctionContext can only allocate closures which fit in the
   // new space.
   STATIC_ASSERT(((kMaximumSlots + Context::MIN_CONTEXT_SLOTS) * kPointerSize +