Implement unary addition in the full (non-optimizing) code generator.

src/full-codegen.cc

 // Copyright 2009 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 400 matching lines @@
   // Check all arguments to the call.  (Relies on TEMP meaning STACK.)
   for (int i = 0; i < expr->arguments()->length(); i++) {
     Visit(expr->arguments()->at(i));
     CHECK_BAILOUT;
   }
 }
 
 
 void FullCodeGenSyntaxChecker::VisitUnaryOperation(UnaryOperation* expr) {
   switch (expr->op()) {
-    case Token::VOID:
+    case Token::ADD:
     case Token::NOT:
     case Token::TYPEOF:
+    case Token::VOID:
       Visit(expr->expression());
       break;
     case Token::BIT_NOT:
       BAILOUT("UnaryOperation: BIT_NOT");
     case Token::DELETE:
       BAILOUT("UnaryOperation: DELETE");
-    case Token::ADD:
-      BAILOUT("UnaryOperation: ADD");
     case Token::SUB:
       BAILOUT("UnaryOperation: SUB");
     default:
       UNREACHABLE();
   }
 }
 
 
 void FullCodeGenSyntaxChecker::VisitCountOperation(CountOperation* expr) {
   Variable* var = expr->expression()->AsVariableProxy()->AsVariable();
@@ skipping 745 matching lines @@
   __ Drop(stack_depth);
   __ PopTryHandler();
   return 0;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal