Allocation site support for monomorphic StringAdds in BinaryOps.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1088 matching lines @@
   V(kDestinationOfCopyNotAligned, "Destination of copy not aligned")          \
   V(kDontDeleteCellsCannotContainTheHole,                                     \
     "DontDelete cells can't contain the hole")                                \
   V(kDoPushArgumentNotImplementedForDoubleType,                               \
     "DoPushArgument not implemented for double type")                         \
   V(kEmitLoadRegisterUnsupportedDoubleImmediate,                              \
     "EmitLoadRegister: Unsupported double immediate")                         \
   V(kEval, "eval")                                                            \
   V(kExpected0AsASmiSentinel, "Expected 0 as a Smi sentinel")                 \
   V(kExpectedAlignmentMarker, "expected alignment marker")                    \
+  V(kExpectedAllocationSite, "expected allocation site")                      \
   V(kExpectedAllocationSiteInCell,                                            \
     "Expected AllocationSite in property cell")                               \
   V(kExpectedPropertyCellInRegisterA2,                                        \
     "Expected property cell in register a2")                                  \
   V(kExpectedPropertyCellInRegisterEbx,                                       \
     "Expected property cell in register ebx")                                 \
   V(kExpectedPropertyCellInRegisterRbx,                                       \
     "Expected property cell in register rbx")                                 \
   V(kExpectingAlignmentForCopyBytes,                                          \
     "Expecting alignment for CopyBytes")                                      \
@@ skipping 4108 matching lines @@
   inline bool marked_for_deoptimization();
   inline void set_marked_for_deoptimization(bool flag);
 
   // Get the safepoint entry for the given pc.
   SafepointEntry GetSafepointEntry(Address pc);
 
   // Find an object in a stub with a specified map
   Object* FindNthObject(int n, Map* match_map);
   void ReplaceNthObject(int n, Map* match_map, Object* replace_with);
 
+  // Find the first allocation site in an IC stub.
+  AllocationSite* FindFirstAllocationSite();
+
   // Find the first map in an IC stub.
   Map* FindFirstMap();
   void FindAllMaps(MapHandleList* maps);
   void FindAllTypes(TypeHandleList* types);
   void ReplaceFirstMap(Map* replace);
 
   // Find the first handler in an IC stub.
   Code* FindFirstHandler();
 
   // Find |length| handlers and put them into |code_list|. Returns false if not
@@ skipping 5359 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_