[builtins] Introduce proper Float64Cos and Float64Sin.

src/compiler/simplified-operator.h

Index: src/compiler/simplified-operator.h
diff --git a/src/compiler/simplified-operator.h b/src/compiler/simplified-operator.h
index 8702d578280e020f5db8757ca74bda67c328c942..6a62d90254392806b0ce4a5450093fa4f6fe34a6 100644
--- a/src/compiler/simplified-operator.h
+++ b/src/compiler/simplified-operator.h
@@ -182,14 +182,16 @@ class SimplifiedOperatorBuilder final : public ZoneObject {
   const Operator* NumberAtan();
   const Operator* NumberAtan2();
   const Operator* NumberAtanh();
+  const Operator* NumberCbrt();
+  const Operator* NumberCos();
   const Operator* NumberExp();
   const Operator* NumberExpm1();
   const Operator* NumberLog();
   const Operator* NumberLog1p();
-  const Operator* NumberLog2();
   const Operator* NumberLog10();
-  const Operator* NumberCbrt();
+  const Operator* NumberLog2();
   const Operator* NumberRound();
+  const Operator* NumberSin();
   const Operator* NumberSqrt();
   const Operator* NumberTrunc();
   const Operator* NumberToInt32();