[Interpreter] Inline FastCloneRegExpStub to CreateRegExpLiteral bytecode handler.

src/interpreter/interpreter.cc

 // Copyright 2015 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/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
@@ skipping 1576 matching lines @@
   Node* index = __ BytecodeOperandIdx(0);
   Node* relative_jump = __ LoadAndUntagConstantPoolEntry(index);
   __ JumpIfWordNotEqual(accumulator, the_hole_value, relative_jump);
 }
 
 // CreateRegExpLiteral <pattern_idx> <literal_idx> <flags>
 //
 // Creates a regular expression literal for literal index <literal_idx> with
 // <flags> and the pattern in <pattern_idx>.
 void Interpreter::DoCreateRegExpLiteral(InterpreterAssembler* assembler) {
-  Callable callable = CodeFactory::FastCloneRegExp(isolate_);
-  Node* target = __ HeapConstant(callable.code());
   Node* index = __ BytecodeOperandIdx(0);
   Node* pattern = __ LoadConstantPoolEntry(index);
   Node* literal_index_raw = __ BytecodeOperandIdx(1);
   Node* literal_index = __ SmiTag(literal_index_raw);
   Node* flags_raw = __ BytecodeOperandFlag(2);
   Node* flags = __ SmiTag(flags_raw);
   Node* closure = __ LoadRegister(Register::function_closure());
   Node* context = __ GetContext();
-  Node* result = __ CallStub(callable.descriptor(), target, context, closure,
-                             literal_index, pattern, flags);
+  Node* result = FastCloneRegExpStub::Generate(
+      assembler, closure, literal_index, pattern, flags, context);
   __ SetAccumulator(result);
   __ Dispatch();
 }
 
 // CreateArrayLiteral <element_idx> <literal_idx> <flags>
 //
 // Creates an array literal for literal index <literal_idx> with flags <flags>
 // and constant elements in <element_idx>.
 void Interpreter::DoCreateArrayLiteral(InterpreterAssembler* assembler) {
   Node* index = __ BytecodeOperandIdx(0);
@@ skipping 553 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8