[builtins] FastNewClosureStub becomes a builtin.

src/code-stubs.h

 // Copyright 2012 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.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/codegen.h"
@@ skipping 84 matching lines @@
   V(DivideWithFeedback)                       \
   V(ModulusWithFeedback)                      \
   V(Inc)                                      \
   V(InternalArrayNoArgumentConstructor)       \
   V(InternalArraySingleArgumentConstructor)   \
   V(Dec)                                      \
   V(ElementsTransitionAndStore)               \
   V(FastCloneRegExp)                          \
   V(FastCloneShallowArray)                    \
   V(FastCloneShallowObject)                   \
-  V(FastNewClosure)                           \
   V(FastNewFunctionContext)                   \
   V(KeyedLoadSloppyArguments)                 \
   V(KeyedStoreSloppyArguments)                \
   V(LoadScriptContextField)                   \
   V(StoreScriptContextField)                  \
   V(NumberToString)                           \
   V(StringAdd)                                \
   V(GetProperty)                              \
   V(LoadIC)                                   \
   V(LoadICProtoArray)                         \
@@ skipping 665 matching lines @@
 };
 
 class NumberToStringStub final : public TurboFanCodeStub {
  public:
   explicit NumberToStringStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(TypeConversion);
   DEFINE_TURBOFAN_CODE_STUB(NumberToString, TurboFanCodeStub);
 };
 
-class FastNewClosureStub : public TurboFanCodeStub {
- public:
-  explicit FastNewClosureStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
-
-  static compiler::Node* Generate(CodeStubAssembler* assembler,
-                                  compiler::Node* shared_info,
-                                  compiler::Node* context);
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewClosure);
-  DEFINE_TURBOFAN_CODE_STUB(FastNewClosure, TurboFanCodeStub);
-};
-
 class FastNewFunctionContextStub final : public TurboFanCodeStub {
  public:
   static int MaximumSlots();
 
   explicit FastNewFunctionContextStub(Isolate* isolate, ScopeType scope_type)
       : TurboFanCodeStub(isolate) {
     minor_key_ = ScopeTypeBits::encode(scope_type);
   }
 
   static compiler::Node* Generate(CodeStubAssembler* assembler,
@@ skipping 1673 matching lines @@
 #undef DEFINE_PLATFORM_CODE_STUB
 #undef DEFINE_HANDLER_CODE_STUB
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_