Make sure that the inline_new flag guards all the optimizations for...

src/parser.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 1672 matching lines @@
     // Find and mark all assignments to named properties in this (this.x =)
     if (top_scope_->is_function_scope()) {
       this_property_assignment_finder.Update(top_scope_, stat);
     }
     processor->Add(stat);
   }
 
   // Propagate the collected information on this property assignments.
   if (top_scope_->is_function_scope()) {
     bool only_simple_this_property_assignments =
-        this_property_assignment_finder.only_simple_this_property_assignments();
+        this_property_assignment_finder.only_simple_this_property_assignments()
+        && top_scope_->declarations()->length() == 0;
     if (only_simple_this_property_assignments) {
       temp_scope_->SetThisPropertyAssignmentInfo(
           only_simple_this_property_assignments,
           this_property_assignment_finder.GetThisPropertyAssignments());
     }
   }
   return 0;
 }
 
 
@@ skipping 3389 matching lines @@
                        start_position,
                        is_expression);
   return result;
 }
 
 
 #undef NEW
 
 
 } }  // namespace v8::internal