[turbofan] Also consume number type feedback for abstract equality.

src/compiler/type-hints.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_COMPILER_TYPE_HINTS_H_
 #define V8_COMPILER_TYPE_HINTS_H_
 
 #include "src/base/flags.h"
 #include "src/utils.h"
 
@@ skipping 46 matching lines @@
 std::ostream& operator<<(std::ostream&, BinaryOperationHints::Hint);
 std::ostream& operator<<(std::ostream&, BinaryOperationHints);
 
 // Type hints for an binary operation.
 class CompareOperationHints final {
  public:
   enum Hint {
     kNone,
     kBoolean,
     kSignedSmall,
+    kNumber,
     kNumberOrOddball,
     kString,
     kInternalizedString,
     kUniqueName,
     kReceiver,
     kAny
   };
 
   CompareOperationHints() : CompareOperationHints(kNone, kNone, kNone) {}
   CompareOperationHints(Hint left, Hint right, Hint combined)
@@ skipping 52 matching lines @@
 
 std::ostream& operator<<(std::ostream&, ToBooleanHints);
 
 DEFINE_OPERATORS_FOR_FLAGS(ToBooleanHints)
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_TYPE_HINTS_H_