[turbofan] Collect and use type feedback on ToNumber.

src/interpreter/interpreter-assembler.h

Index: src/interpreter/interpreter-assembler.h
diff --git a/src/interpreter/interpreter-assembler.h b/src/interpreter/interpreter-assembler.h
index 363672104fab4e866d3d5960721f81f96169f2c3..94b12d482150ed990b3147b5005a02f1daa5c676 100644
--- a/src/interpreter/interpreter-assembler.h
+++ b/src/interpreter/interpreter-assembler.h
@@ -209,6 +209,12 @@ class V8_EXPORT_PRIVATE InterpreterAssembler : public CodeStubAssembler {
   // Dispatch bytecode as wide operand variant.
   void DispatchWide(OperandScale operand_scale);
 
+  // Convert any |object| to a Number and store the type feedback in
+  // |var_type_feedback|.
+  compiler::Node* ToNumberWithFeedback(compiler::Node* context,
+                                       compiler::Node* object,
+                                       Variable* var_type_feedback);
+
   // Truncate tagged |value| to word32 and store the type feedback in
   // |var_type_feedback|.
   compiler::Node* TruncateTaggedToWord32WithFeedback(