Type feedback for Unary Plus

src/ia32/full-codegen-ia32.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 3954 matching lines @@
       __ CallRuntime(Runtime::kTypeof, 1);
       context()->Plug(eax);
       break;
     }
 
     case Token::ADD: {
       Comment cmt(masm_, "[ UnaryOperation (ADD)");
       VisitForAccumulatorValue(expr->expression());
       Label no_conversion;
       __ JumpIfSmi(result_register(), &no_conversion);
-      ToNumberStub convert_stub;
-      __ CallStub(&convert_stub);
+      __ mov(edx, Immediate(Smi::FromInt(1)));
+      OverwriteMode mode = expr->expression()->ResultOverwriteAllowed()
+          ? OVERWRITE_RIGHT : NO_OVERWRITE;
+      BinaryOpStub stub(Token::MUL, mode);
+      JumpPatchSite patch_site(masm_);  // unbound, signals no inlined smi code.
+      CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET,
+             expr->UnaryOperationFeedbackId());
+      patch_site.EmitPatchInfo();
       __ bind(&no_conversion);
       context()->Plug(result_register());
       break;
     }
 
     case Token::SUB:
       EmitUnaryOperation(expr, "[ UnaryOperation (SUB)");
       break;
 
     case Token::BIT_NOT:
@@ skipping 571 matching lines @@
   *stack_depth = 0;
   *context_length = 0;
   return previous_;
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32