Remove deoptimization by patching the call stack.

src/objects.cc

 // Copyright 2013 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.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/api.h"
 #include "src/arguments.h"
@@ skipping 10919 matching lines @@
       table.PrintEntry(i, os);
       os << " (sp -> fp)  ";
       SafepointEntry entry = table.GetEntry(i);
       if (entry.deoptimization_index() != Safepoint::kNoDeoptimizationIndex) {
         Vector<char> buf2 = Vector<char>::New(30);
         SNPrintF(buf2, "%6d", entry.deoptimization_index());
         os << buf2.start();
       } else {
         os << "<none>";
       }
-      if (entry.deoptimization_pc() != Safepoint::kNoDeoptimizationPc) {
-        Vector<char> buf2 = Vector<char>::New(30);
-        SNPrintF(buf2, "%6d", entry.deoptimization_pc());
-        os << buf2.start();
-      } else {
-        os << "<none>";
-      }
       if (entry.argument_count() > 0) {
         os << " argc: " << entry.argument_count();
       }
       os << "\n";
     }
     os << "\n";
   } else if (kind() == FUNCTION) {
     unsigned offset = back_edge_table_offset();
     // If there is no back edge table, the "table start" will be at or after
     // (due to alignment) the end of the instruction stream.
@@ skipping 5444 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal