[turbofan] Unify number operation typing rules.

src/type-cache.h

 // Copyright 2014 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_TYPE_CACHE_H_
 #define V8_TYPE_CACHE_H_
 
 #include "src/types.h"
 
 namespace v8 {
@@ skipping 32 matching lines @@
   Type* const kSingletonZero = CreateRange(0.0, 0.0);
   Type* const kSingletonOne = CreateRange(1.0, 1.0);
   Type* const kSingletonTen = CreateRange(10.0, 10.0);
   Type* const kSingletonMinusOne = CreateRange(-1.0, -1.0);
   Type* const kZeroOrUndefined =
       Type::Union(kSingletonZero, Type::Undefined(), zone());
   Type* const kTenOrUndefined =
       Type::Union(kSingletonTen, Type::Undefined(), zone());
   Type* const kMinusOneOrZero = CreateRange(-1.0, 0.0);
   Type* const kZeroOrOne = CreateRange(0.0, 1.0);
+  Type* const kZeroOrOneOrNaN = Type::Union(kZeroOrOne, Type::NaN(), zone());
   Type* const kZeroToThirtyOne = CreateRange(0.0, 31.0);
   Type* const kZeroToThirtyTwo = CreateRange(0.0, 32.0);
   Type* const kZeroish =
       Type::Union(kSingletonZero, Type::MinusZeroOrNaN(), zone());
   Type* const kInteger = CreateRange(-V8_INFINITY, V8_INFINITY);
   Type* const kIntegerOrMinusZero =
       Type::Union(kInteger, Type::MinusZero(), zone());
   Type* const kIntegerOrMinusZeroOrNaN =
       Type::Union(kIntegerOrMinusZero, Type::NaN(), zone());
   Type* const kPositiveInteger = CreateRange(0.0, V8_INFINITY);
@@ skipping 99 matching lines @@
     return Type::Range(min, max, zone());
   }
 
   Zone* zone() { return &zone_; }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TYPE_CACHE_H_