[builtins] Migrate ToNumber to TurboFan.

src/interpreter/interpreter.cc

Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index b89c7fa61c2fb9b973b718d2452af909710aba39..0404a17240731580ae08f23c78c1f358e2f40be9 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -1312,7 +1312,9 @@ void Interpreter::DoToName(InterpreterAssembler* assembler) {
 //
 // Convert the object referenced by the accumulator to a number.
 void Interpreter::DoToNumber(InterpreterAssembler* assembler) {
-  Node* result = BuildUnaryOp(CodeFactory::ToNumber(isolate_), assembler);
+  Node* accumulator = __ GetAccumulator();

[rmcilroy, 2016/09/09 11:03:17]

/s/accumulator/object

+  Node* context = __ GetContext();
+  Node* result = assembler->ToNumber(context, accumulator);

[rmcilroy, 2016/09/09 11:03:17]

/s/assembler->/__ 

   __ StoreRegister(result, __ BytecodeOperandReg(0));
   __ Dispatch();
 }