Add strong mode.

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 4303 matching lines @@
   enum FunctionVariableInfo {
     NONE,     // No function name present.
     STACK,    // Function
     CONTEXT,
     UNUSED
   };
 
   // Properties of scopes.
   class ScopeTypeField : public BitField<ScopeType, 0, 4> {};
   class CallsEvalField : public BitField<bool, 4, 1> {};
-  STATIC_ASSERT(LANGUAGE_END == 2);
-  class LanguageModeField : public BitField<LanguageMode, 5, 1> {};
-  class FunctionVariableField : public BitField<FunctionVariableInfo, 6, 2> {};
-  class FunctionVariableMode : public BitField<VariableMode, 8, 3> {};
-  class AsmModuleField : public BitField<bool, 11, 1> {};
-  class AsmFunctionField : public BitField<bool, 12, 1> {};
+  STATIC_ASSERT(LANGUAGE_END == 3);
+  class LanguageModeField : public BitField<LanguageMode, 5, 2> {};
+  class FunctionVariableField : public BitField<FunctionVariableInfo, 7, 2> {};
+  class FunctionVariableMode : public BitField<VariableMode, 9, 3> {};
+  class AsmModuleField : public BitField<bool, 12, 1> {};
+  class AsmFunctionField : public BitField<bool, 13, 1> {};
 
   // BitFields representing the encoded information for context locals in the
   // ContextLocalInfoEntries part.
   class ContextLocalMode:      public BitField<VariableMode,         0, 3> {};
   class ContextLocalInitFlag:  public BitField<InitializationFlag,   3, 1> {};
   class ContextLocalMaybeAssignedFlag
       : public BitField<MaybeAssignedFlag, 4, 1> {};
 };
 
 
@@ skipping 2826 matching lines @@
   static const int kIsTopLevelBit      = 1;
   static const int kStartPositionShift = 2;
   static const int kStartPositionMask  = ~((1 << kStartPositionShift) - 1);
 
   // Bit positions in compiler_hints.
   enum CompilerHints {
     kAllowLazyCompilation,
     kAllowLazyCompilationWithoutContext,
     kOptimizationDisabled,
     kStrictModeFunction,
+    kSaneModeFunction,
     kUsesArguments,
     kUsesSuperProperty,
     kUsesSuperConstructorCall,
     kHasDuplicateParameters,
     kNative,
     kInlineBuiltin,
     kBoundFunction,
     kIsAnonymous,
     kNameShouldPrintAsAnonymous,
     kIsFunction,
     kDontCache,
     kDontFlush,
     kIsArrow,
     kIsGenerator,
     kIsConciseMethod,
     kIsDefaultConstructor,
     kIsSubclassConstructor,
     kIsAsmFunction,
     kDeserialized,
     kCompilerHintsCount  // Pseudo entry
   };
   // Add hints for other modes when they're added.
-  STATIC_ASSERT(LANGUAGE_END == 2);
+  STATIC_ASSERT(LANGUAGE_END == 3);
 
   class FunctionKindBits : public BitField<FunctionKind, kIsArrow, 5> {};
 
   class DeoptCountBits : public BitField<int, 0, 4> {};
   class OptReenableTriesBits : public BitField<int, 4, 18> {};
   class ICAgeBits : public BitField<int, 22, 8> {};
 
   class OptCountBits : public BitField<int, 0, 22> {};
   class DisabledOptimizationReasonBits : public BitField<int, 22, 8> {};
 
@@ skipping 3740 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_