[interpreter] Add a register operand to ToNumber

src/interpreter/interpreter.h

Index: src/interpreter/interpreter.h
diff --git a/src/interpreter/interpreter.h b/src/interpreter/interpreter.h
index 92e17e06bc6a33722009ab8a4e33ca59400a1565..aa1cb1f3d2205a1290766b915370764b1b538fea 100644
--- a/src/interpreter/interpreter.h
+++ b/src/interpreter/interpreter.h
@@ -79,8 +79,11 @@ class Interpreter {
   template <class Generator>
   void DoBinaryOpWithImmediate(InterpreterAssembler* assembler);
 
-  // Generates code to perform the unary operation via |callable|.
-  void DoUnaryOp(Callable callable, InterpreterAssembler* assembler);
+  // Generates code to perform the unary operation via |callable| and stores
+  // the result to the accumulator or to the output register if the |bytecode|
+  // has a single output register operand.
+  void DoUnaryOp(Callable callable, InterpreterAssembler* assembler,
+                 Bytecode bytecode);
 
   // Generates code to perform the unary operation via |Generator|.
   template <class Generator>