[turbofan] Collect and use type feedback on ToNumber.

src/interpreter/interpreter-generator.cc

Index: src/interpreter/interpreter-generator.cc
diff --git a/src/interpreter/interpreter-generator.cc b/src/interpreter/interpreter-generator.cc
index 8f673bb80820ffe6c8c6e19144bc3b2de332f4f3..dfdd38722b6ca9f63ea5c91c3f26644c6e0e3ac5 100644
--- a/src/interpreter/interpreter-generator.cc
+++ b/src/interpreter/interpreter-generator.cc
@@ -1700,8 +1700,17 @@ void InterpreterGenerator::DoToName(InterpreterAssembler* assembler) {
 void InterpreterGenerator::DoToNumber(InterpreterAssembler* assembler) {
   Node* object = __ GetAccumulator();
   Node* context = __ GetContext();
-  Node* result = __ ToNumber(context, object);
+
+  // Convert the {object} to a Number and collect feedback for the {object}.
+  Variable var_type_feedback(assembler, MachineRepresentation::kTaggedSigned);
+  Node* result = __ ToNumberWithFeedback(context, object, &var_type_feedback);
   __ StoreRegister(result, __ BytecodeOperandReg(0));
+
+  // Record the type feedback collected for {object}.
+  Node* slot_index = __ BytecodeOperandIdx(1);
+  Node* feedback_vector = __ LoadFeedbackVector();
+  __ UpdateFeedback(var_type_feedback.value(), feedback_vector, slot_index);
+
   __ Dispatch();
 }