[turbofan] Prepare mechanism to enable TF on language subset.

src/objects.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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 7117 matching lines @@
   // the bind function.
   DECL_BOOLEAN_ACCESSORS(bound)
 
   // Indicates that the function is anonymous (the name field can be set
   // through the API, which does not change this flag).
   DECL_BOOLEAN_ACCESSORS(is_anonymous)
 
   // Is this a function or top-level/eval code.
   DECL_BOOLEAN_ACCESSORS(is_function)
 
+  // Indicates that code for this function cannot be compiled with Crankshaft.
+  DECL_BOOLEAN_ACCESSORS(dont_crankshaft)
+
   // Indicates that code for this function cannot be cached.
   DECL_BOOLEAN_ACCESSORS(dont_cache)
 
   // Indicates that code for this function cannot be flushed.
   DECL_BOOLEAN_ACCESSORS(dont_flush)
 
   // Indicates that this function is a generator.
   DECL_BOOLEAN_ACCESSORS(is_generator)
 
   // Indicates that this function is an arrow function.
@@ skipping 244 matching lines @@
     kStrongModeFunction,
     kUsesArguments,
     kUsesSuperProperty,
     kHasDuplicateParameters,
     kNative,
     kForceInline,
     kBoundFunction,
     kIsAnonymous,
     kNameShouldPrintAsAnonymous,
     kIsFunction,
+    kDontCrankshaft,
     kDontCache,
     kDontFlush,
     kIsArrow,
     kIsGenerator,
     kIsConciseMethod,
     kIsAccessorFunction,
     kIsDefaultConstructor,
     kIsSubclassConstructor,
     kIsBaseConstructor,
     kInClassLiteral,
@@ skipping 3741 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_