Revert eval changes since there is a crash that I don't have the time...

src/contexts.cc

 // Copyright 2006-2008 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 116 matching lines @@
                  index, mode);
         }
         *index_ = index;
         // Note: Fixed context slots are statically allocated by the compiler.
         // Statically allocated variables always have a statically known mode,
         // which is the mode with which they were declared when added to the
         // scope. Thus, the DYNAMIC mode (which corresponds to dynamically
         // declared variables that were introduced through declaration nodes)
         // must not appear here.
         switch (mode) {
-          case Variable::INTERNAL:  // fall through
-          case Variable::VAR: *attributes = NONE; break;
-          case Variable::CONST: *attributes = READ_ONLY; break;
-          case Variable::DYNAMIC: UNREACHABLE(); break;
-          case Variable::DYNAMIC_GLOBAL: UNREACHABLE(); break;
-          case Variable::DYNAMIC_LOCAL: UNREACHABLE(); break;
+          case Variable::INTERNAL :  // fall through
+          case Variable::VAR      : *attributes = NONE; break;
+          case Variable::CONST    : *attributes = READ_ONLY; break;
+          case Variable::DYNAMIC  : UNREACHABLE(); break;
           case Variable::TEMPORARY: UNREACHABLE(); break;
         }
         return context;
       }
 
       // check parameter locals in context
       int param_index = ScopeInfo<>::ParameterIndex(*code, *name);
       if (param_index >= 0) {
         // slot found
         int index =
@@ skipping 54 matching lines @@
 
 
 bool Context::IsBootstrappingOrGlobalObject(Object* object) {
   // During bootstrapping we allow all objects to pass as global
   // objects. This is necessary to fix circular dependencies.
   return Bootstrapper::IsActive() || object->IsGlobalObject();
 }
 #endif
 
 } }  // namespace v8::internal