Initialize CodeStubInterfaceDescriptor in the constructor.

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 310 matching lines @@
   DEFINE_CODE_STUB_BASE(PlatformCodeStub, CodeStub);
 };
 
 
 enum StubFunctionMode { NOT_JS_FUNCTION_STUB_MODE, JS_FUNCTION_STUB_MODE };
 enum HandlerArgumentsMode { DONT_PASS_ARGUMENTS, PASS_ARGUMENTS };
 
 
 class CodeStubInterfaceDescriptor {
  public:
-  CodeStubInterfaceDescriptor();
+  explicit CodeStubInterfaceDescriptor(CodeStub* stub);
+
+  CodeStubInterfaceDescriptor(Isolate* isolate, uint32_t stub_key);
 
   void Initialize(CodeStub::Major major,
                   CallInterfaceDescriptor call_descriptor,
                   Address deoptimization_handler = NULL,
                   int hint_stack_parameter_count = -1,
                   StubFunctionMode function_mode = NOT_JS_FUNCTION_STUB_MODE);
   void Initialize(CodeStub::Major major,
                   CallInterfaceDescriptor call_descriptor,
                   Register stack_parameter_count,
                   Address deoptimization_handler = NULL,
@@ skipping 1954 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 v8::internal
 
 #endif  // V8_CODE_STUBS_H_