[turbofan] Collect and use type feedback on ToNumber.

src/interpreter/bytecodes.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_INTERPRETER_BYTECODES_H_
 #define V8_INTERPRETER_BYTECODES_H_
 
 #include <cstdint>
 #include <iosfwd>
 #include <string>
@@ skipping 196 matching lines @@
   V(TestEqualStrictNoFeedback, AccumulatorUse::kReadWrite, OperandType::kReg)  \
   V(TestInstanceOf, AccumulatorUse::kReadWrite, OperandType::kReg)             \
   V(TestIn, AccumulatorUse::kReadWrite, OperandType::kReg)                     \
   V(TestUndetectable, AccumulatorUse::kReadWrite)                              \
   V(TestNull, AccumulatorUse::kReadWrite)                                      \
   V(TestUndefined, AccumulatorUse::kReadWrite)                                 \
   V(TestTypeOf, AccumulatorUse::kReadWrite, OperandType::kFlag8)               \
                                                                                \
   /* Cast operators */                                                         \
   V(ToName, AccumulatorUse::kRead, OperandType::kRegOut)                       \
-  V(ToNumber, AccumulatorUse::kRead, OperandType::kRegOut)                     \
+  V(ToNumber, AccumulatorUse::kRead, OperandType::kRegOut, OperandType::kIdx)  \
   V(ToObject, AccumulatorUse::kRead, OperandType::kRegOut)                     \
                                                                                \
   /* Literals */                                                               \
   V(CreateRegExpLiteral, AccumulatorUse::kWrite, OperandType::kIdx,            \
     OperandType::kIdx, OperandType::kFlag8)                                    \
   V(CreateArrayLiteral, AccumulatorUse::kWrite, OperandType::kIdx,             \
     OperandType::kIdx, OperandType::kFlag8)                                    \
   V(CreateObjectLiteral, AccumulatorUse::kNone, OperandType::kIdx,             \
     OperandType::kIdx, OperandType::kFlag8, OperandType::kRegOut)              \
                                                                                \
@@ skipping 613 matching lines @@
 };
 
 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os,
                                            const Bytecode& bytecode);
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODES_H_