Fix big-endian after [runtime] Fix ES6 9.2.1 [[Call]] when encountering a classConstructor.

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 7085 matching lines @@
   static const int kClassConstructorBitsWithinByte =
       FunctionKind::kClassConstructor << kCompilerHintsSmiTagSize;
   STATIC_ASSERT(kClassConstructorBitsWithinByte < (1 << kBitsPerByte));
 
 #if defined(V8_TARGET_LITTLE_ENDIAN)
 #define BYTE_OFFSET(compiler_hint) \
   kCompilerHintsOffset +           \
       (compiler_hint + kCompilerHintsSmiTagSize) / kBitsPerByte
 #elif defined(V8_TARGET_BIG_ENDIAN)
 #define BYTE_OFFSET(compiler_hint)                   \
-  kCompilerHintsOffset + +(kCompilerHintsSize - 1) - \
-      ((kStrictModeFunction + kCompilerHintsSmiTagSize) / kBitsPerByte)
+  kCompilerHintsOffset + (kCompilerHintsSize - 1) - \
+      ((compiler_hint + kCompilerHintsSmiTagSize) / kBitsPerByte)
 #else
 #error Unknown byte ordering
 #endif
   static const int kStrictModeByteOffset = BYTE_OFFSET(kStrictModeFunction);
   static const int kStrongModeByteOffset = BYTE_OFFSET(kStrongModeFunction);
   static const int kNativeByteOffset = BYTE_OFFSET(kNative);
   static const int kBoundByteOffset = BYTE_OFFSET(kBoundFunction);
   static const int kFunctionKindByteOffset = BYTE_OFFSET(kFunctionKind);
 #undef BYTE_OFFSET
 
@@ skipping 3696 matching lines @@
   // (elements + properties) in the current level.
   int levelLength_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(KeyAccumulator);
 };
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_