[promises] Move promise constructor to TFS

src/objects.h

 // 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 5670 matching lines @@
   // Returns the object size for a given body (used for allocation).
   static int SizeFor(int body_size) {
     DCHECK_SIZE_TAG_ALIGNED(body_size);
     return RoundUp(kHeaderSize + body_size, kCodeAlignment);
   }
 
   // Calculate the size of the code object to report for log events. This takes
   // the layout of the code object into account.
   inline int ExecutableSize();
 
+  DECL_INT_ACCESSORS(exception_hint)

[gsathya, 2016/11/22 04:31:43]

Int is probably over kill for this. But, decided to go with it in case we may
want to support other types of catch prediction later.

Happy to add a comment if you think that'll be useful.

+
   DECLARE_CAST(Code)
 
   // Dispatched behavior.
   inline int CodeSize();
 
   DECLARE_PRINTER(Code)
   DECLARE_VERIFIER(Code)
 
   void ClearInlineCaches();
 
@@ skipping 77 matching lines @@
   static const int kICAgeOffset = kInstructionSizeOffset + kIntSize;
   static const int kFlagsOffset = kICAgeOffset + kIntSize;
   static const int kKindSpecificFlags1Offset = kFlagsOffset + kIntSize;
   static const int kKindSpecificFlags2Offset =
       kKindSpecificFlags1Offset + kIntSize;
   // Note: We might be able to squeeze this into the flags above.
   static const int kPrologueOffset = kKindSpecificFlags2Offset + kIntSize;
   static const int kConstantPoolOffset = kPrologueOffset + kIntSize;
   static const int kBuiltinIndexOffset =
       kConstantPoolOffset + kConstantPoolSize;
-  static const int kHeaderPaddingStart = kBuiltinIndexOffset + kIntSize;
+  static const int kExceptionHintOffset = kBuiltinIndexOffset + kIntSize;
+  static const int kHeaderPaddingStart = kExceptionHintOffset + kIntSize;
 
   // Add padding to align the instruction start following right after
   // the Code object header.
   static const int kHeaderSize =
       (kHeaderPaddingStart + kCodeAlignmentMask) & ~kCodeAlignmentMask;
 
   inline int GetUnwindingInfoSizeOffset() const;
 
   class BodyDescriptor;
 
@@ skipping 6063 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_