Better handling of stepping out of a function...

src/full-codegen.h

 // Copyright 2010 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 371 matching lines @@
   void VisitDeclarations(ZoneList<Declaration*>* declarations);
   void DeclareGlobals(Handle<FixedArray> pairs);
 
   // Platform-specific code for a variable, constant, or function
   // declaration.  Functions have an initial value.
   void EmitDeclaration(Variable* variable,
                        Variable::Mode mode,
                        FunctionLiteral* function);
 
   // Platform-specific return sequence
-  void EmitReturnSequence(int position);
+  void EmitReturnSequence();
 
   // Platform-specific code sequences for calls
   void EmitCallWithStub(Call* expr);
   void EmitCallWithIC(Call* expr, Handle<Object> name, RelocInfo::Mode mode);
   void EmitKeyedCallWithIC(Call* expr, Expression* key, RelocInfo::Mode mode);
 
 
   // Platform-specific code for inline runtime calls.
   void EmitInlineRuntimeCall(CallRuntime* expr);
   void EmitIsSmi(ZoneList<Expression*>* arguments);
@@ skipping 135 matching lines @@
 
   friend class NestedStatement;
 
   DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_