Fix build (and fix brown paper bug as well...).

src/hydrogen.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 6635 matching lines @@
         }
       } else {
         // Since we will emit an instance check we have to conservatively
         // assume that some arrays will contain slow elements, so we set
         // fast_mode to false.
         map_mode = false;
         fast_mode = false;
         is_array = true;
         for (int i = 0; i < types->length(); i++) {
           Handle<Map> current_map = types->at(i);
-          if (!current_map->instance_type() == JS_ARRAY_TYPE) {
+          if (current_map->instance_type() != JS_ARRAY_TYPE) {
             is_array = false;
             break;
           }
         }
       }
 
       // It is an array length access so we produce a HJSArrayLength.
       if (is_array) {
         HValue* array = Pop();
         AddInstruction(new(zone()) HCheckNonSmi(array));
@@ skipping 3434 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal