Support weak heap references in the ConstantPool to support IsWeakObjectInOptimizedCode objects.

src/objects-printer.cc

 // 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 593 matching lines @@
 
 void ConstantPoolArray::ConstantPoolArrayPrint(FILE* out) {
   HeapObject::PrintHeader(out, "ConstantPoolArray");
   PrintF(out, " - length: %d", length());
   for (int i = 0; i < length(); i++) {
     if (i < first_code_ptr_index()) {
       PrintF(out, "\n  [%d]: double: %g", i, get_int64_entry_as_double(i));
     } else if (i < first_heap_ptr_index()) {
       PrintF(out, "\n  [%d]: code target pointer: %p", i,
              reinterpret_cast<void*>(get_code_ptr_entry(i)));
-    } else if (i < first_int32_index()) {
+    } else if (i < first_weak_ptr_index()) {
       PrintF(out, "\n  [%d]: heap pointer: %p", i,
              reinterpret_cast<void*>(get_heap_ptr_entry(i)));
+    } else if (i < first_int32_index()) {
+      PrintF(out, "\n  [%d]: weak heap pointer: %p", i,
+             reinterpret_cast<void*>(get_weak_ptr_entry(i)));
     } else {
       PrintF(out, "\n  [%d]: int32: %d", i, get_int32_entry(i));
     }
   }
   PrintF(out, "\n");
 }
 
 
 void JSValue::JSValuePrint(FILE* out) {
   HeapObject::PrintHeader(out, "ValueObject");
@@ skipping 603 matching lines @@
     }
   }
   PrintF(out, "\n");
 }
 
 
 #endif  // OBJECT_PRINT
 
 
 } }  // namespace v8::internal