Make eval consider anything on the form eval(args...) a potential direct cal

src/full-codegen.h

 // Copyright 2011 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 448 matching lines @@
   void EmitLoadGlobalCheckExtensions(Variable* var,
                                      TypeofState typeof_state,
                                      Label* slow);
   MemOperand ContextSlotOperandCheckExtensions(Variable* var, Label* slow);
   void EmitDynamicLookupFastCase(Variable* var,
                                  TypeofState typeof_state,
                                  Label* slow,
                                  Label* done);
   void EmitVariableLoad(VariableProxy* proxy);
 
-  enum ResolveEvalFlag {
-    SKIP_CONTEXT_LOOKUP,
-    PERFORM_CONTEXT_LOOKUP
-  };
-
   // Expects the arguments and the function already pushed.
-  void EmitResolvePossiblyDirectEval(ResolveEvalFlag flag, int arg_count);
+  void EmitResolvePossiblyDirectEval(int arg_count);
 
   // Platform-specific support for allocating a new closure based on
   // the given function info.
   void EmitNewClosure(Handle<SharedFunctionInfo> info, bool pretenure);
 
   // Platform-specific support for compiling assignments.
 
   // Load a value from a named property.
   // The receiver is left on the stack by the IC.
   void EmitNamedPropertyLoad(Property* expr);
@@ skipping 340 matching lines @@
 
   friend class NestedStatement;
 
   DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_