| Index: test/unittests/compiler/js-typed-lowering-unittest.cc | 
| diff --git a/test/unittests/compiler/js-typed-lowering-unittest.cc b/test/unittests/compiler/js-typed-lowering-unittest.cc | 
| index 60b95fd27c3d600225a54c8eed3b80ab43cf9066..786c243a10092897fb2c23d08d8a692759d17962 100644 | 
| --- a/test/unittests/compiler/js-typed-lowering-unittest.cc | 
| +++ b/test/unittests/compiler/js-typed-lowering-unittest.cc | 
| @@ -394,9 +394,9 @@ TEST_F(JSTypedLoweringTest, JSStrictEqualWithTheHole) { | 
| Node* const control = graph()->start(); | 
| TRACED_FOREACH(Type*, type, kJSTypes) { | 
| Node* const lhs = Parameter(type); | 
| -    Reduction r = Reduce(graph()->NewNode( | 
| -        javascript()->StrictEqual(CompareOperationHints::Any()), lhs, the_hole, | 
| -        context, effect, control)); | 
| +    Reduction r = Reduce( | 
| +        graph()->NewNode(javascript()->StrictEqual(CompareOperationHint::kAny), | 
| +                         lhs, the_hole, context, effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), IsFalseConstant()); | 
| } | 
| @@ -410,7 +410,7 @@ TEST_F(JSTypedLoweringTest, JSStrictEqualWithUnique) { | 
| Node* const effect = graph()->start(); | 
| Node* const control = graph()->start(); | 
| Reduction r = Reduce( | 
| -      graph()->NewNode(javascript()->StrictEqual(CompareOperationHints::Any()), | 
| +      graph()->NewNode(javascript()->StrictEqual(CompareOperationHint::kAny), | 
| lhs, rhs, context, effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), IsReferenceEqual(Type::Unique(), lhs, rhs)); | 
| @@ -421,13 +421,13 @@ TEST_F(JSTypedLoweringTest, JSStrictEqualWithUnique) { | 
| // JSShiftLeft | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftLeftWithSigned32AndConstant) { | 
| -  BinaryOperationHints const hints = BinaryOperationHints::Any(); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kAny; | 
| Node* const lhs = Parameter(Type::Signed32()); | 
| Node* const context = UndefinedConstant(); | 
| Node* const effect = graph()->start(); | 
| Node* const control = graph()->start(); | 
| TRACED_FORRANGE(double, rhs, 0, 31) { | 
| -    Reduction r = Reduce(graph()->NewNode(javascript()->ShiftLeft(hints), lhs, | 
| +    Reduction r = Reduce(graph()->NewNode(javascript()->ShiftLeft(hint), lhs, | 
| NumberConstant(rhs), context, | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -437,30 +437,28 @@ TEST_F(JSTypedLoweringTest, JSShiftLeftWithSigned32AndConstant) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftLeftWithSigned32AndUnsigned32) { | 
| -  BinaryOperationHints const hints = BinaryOperationHints::Any(); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kAny; | 
| Node* const lhs = Parameter(Type::Signed32()); | 
| Node* const rhs = Parameter(Type::Unsigned32()); | 
| Node* const context = UndefinedConstant(); | 
| Node* const effect = graph()->start(); | 
| Node* const control = graph()->start(); | 
| Reduction r = | 
| -      Reduce(graph()->NewNode(javascript()->ShiftLeft(hints), lhs, rhs, context, | 
| +      Reduce(graph()->NewNode(javascript()->ShiftLeft(hint), lhs, rhs, context, | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), IsNumberShiftLeft(lhs, rhs)); | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftLeftWithSignedSmallHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSignedSmall; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftLeft(hints), lhs, | 
| -                                        rhs, UndefinedConstant(), | 
| -                                        EmptyFrameState(), effect, control)); | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftLeft(hint), lhs, rhs, | 
| +                                        UndefinedConstant(), EmptyFrameState(), | 
| +                                        effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), | 
| IsSpeculativeNumberShiftLeft(NumberOperationHint::kSignedSmall, | 
| @@ -468,16 +466,14 @@ TEST_F(JSTypedLoweringTest, JSShiftLeftWithSignedSmallHint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftLeftWithSigned32Hint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSigned32; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftLeft(hints), lhs, | 
| -                                        rhs, UndefinedConstant(), | 
| -                                        EmptyFrameState(), effect, control)); | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftLeft(hint), lhs, rhs, | 
| +                                        UndefinedConstant(), EmptyFrameState(), | 
| +                                        effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), | 
| IsSpeculativeNumberShiftLeft(NumberOperationHint::kSigned32, lhs, | 
| @@ -485,16 +481,14 @@ TEST_F(JSTypedLoweringTest, JSShiftLeftWithSigned32Hint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftLeftWithNumberOrOddballHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kNumberOrOddball; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftLeft(hints), lhs, | 
| -                                        rhs, UndefinedConstant(), | 
| -                                        EmptyFrameState(), effect, control)); | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftLeft(hint), lhs, rhs, | 
| +                                        UndefinedConstant(), EmptyFrameState(), | 
| +                                        effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), IsSpeculativeNumberShiftLeft( | 
| NumberOperationHint::kNumberOrOddball, lhs, | 
| @@ -506,13 +500,13 @@ TEST_F(JSTypedLoweringTest, JSShiftLeftWithNumberOrOddballHint) { | 
|  | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightWithSigned32AndConstant) { | 
| -  BinaryOperationHints const hints = BinaryOperationHints::Any(); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kAny; | 
| Node* const lhs = Parameter(Type::Signed32()); | 
| Node* const context = UndefinedConstant(); | 
| Node* const effect = graph()->start(); | 
| Node* const control = graph()->start(); | 
| TRACED_FORRANGE(double, rhs, 0, 31) { | 
| -    Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRight(hints), lhs, | 
| +    Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRight(hint), lhs, | 
| NumberConstant(rhs), context, | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -523,28 +517,26 @@ TEST_F(JSTypedLoweringTest, JSShiftRightWithSigned32AndConstant) { | 
|  | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightWithSigned32AndUnsigned32) { | 
| -  BinaryOperationHints const hints = BinaryOperationHints::Any(); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kAny; | 
| Node* const lhs = Parameter(Type::Signed32()); | 
| Node* const rhs = Parameter(Type::Unsigned32()); | 
| Node* const context = UndefinedConstant(); | 
| Node* const effect = graph()->start(); | 
| Node* const control = graph()->start(); | 
| Reduction r = | 
| -      Reduce(graph()->NewNode(javascript()->ShiftRight(hints), lhs, rhs, | 
| -                              context, EmptyFrameState(), effect, control)); | 
| +      Reduce(graph()->NewNode(javascript()->ShiftRight(hint), lhs, rhs, context, | 
| +                              EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), IsNumberShiftRight(lhs, rhs)); | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightWithSignedSmallHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSignedSmall; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRight(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRight(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -554,14 +546,12 @@ TEST_F(JSTypedLoweringTest, JSShiftRightWithSignedSmallHint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightWithSigned32Hint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSigned32; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRight(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRight(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -571,14 +561,12 @@ TEST_F(JSTypedLoweringTest, JSShiftRightWithSigned32Hint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightWithNumberOrOddballHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kNumberOrOddball; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRight(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRight(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -593,15 +581,15 @@ TEST_F(JSTypedLoweringTest, JSShiftRightWithNumberOrOddballHint) { | 
|  | 
| TEST_F(JSTypedLoweringTest, | 
| JSShiftRightLogicalWithUnsigned32AndConstant) { | 
| -  BinaryOperationHints const hints = BinaryOperationHints::Any(); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kAny; | 
| Node* const lhs = Parameter(Type::Unsigned32()); | 
| Node* const context = UndefinedConstant(); | 
| Node* const effect = graph()->start(); | 
| Node* const control = graph()->start(); | 
| TRACED_FORRANGE(double, rhs, 0, 31) { | 
| -    Reduction r = Reduce(graph()->NewNode( | 
| -        javascript()->ShiftRightLogical(hints), lhs, NumberConstant(rhs), | 
| -        context, EmptyFrameState(), effect, control)); | 
| +    Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hint), | 
| +                                          lhs, NumberConstant(rhs), context, | 
| +                                          EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), | 
| IsNumberShiftRightLogical(lhs, IsNumberConstant(BitEq(rhs)))); | 
| @@ -610,28 +598,26 @@ TEST_F(JSTypedLoweringTest, | 
|  | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightLogicalWithUnsigned32AndUnsigned32) { | 
| -  BinaryOperationHints const hints = BinaryOperationHints::Any(); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kAny; | 
| Node* const lhs = Parameter(Type::Unsigned32()); | 
| Node* const rhs = Parameter(Type::Unsigned32()); | 
| Node* const context = UndefinedConstant(); | 
| Node* const effect = graph()->start(); | 
| Node* const control = graph()->start(); | 
| Reduction r = | 
| -      Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hints), lhs, rhs, | 
| +      Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hint), lhs, rhs, | 
| context, EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), IsNumberShiftRightLogical(lhs, rhs)); | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightLogicalWithSignedSmallHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSignedSmall; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hints), | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hint), | 
| lhs, rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -641,14 +627,12 @@ TEST_F(JSTypedLoweringTest, JSShiftRightLogicalWithSignedSmallHint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightLogicalWithSigned32Hint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSigned32; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hints), | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hint), | 
| lhs, rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -658,14 +642,12 @@ TEST_F(JSTypedLoweringTest, JSShiftRightLogicalWithSigned32Hint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSShiftRightLogicalWithNumberOrOddballHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kNumberOrOddball; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hints), | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->ShiftRightLogical(hint), | 
| lhs, rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -985,14 +967,14 @@ TEST_F(JSTypedLoweringTest, JSLoadNamedStringLength) { | 
|  | 
|  | 
| TEST_F(JSTypedLoweringTest, JSAddWithString) { | 
| -  BinaryOperationHints const hints = BinaryOperationHints::Any(); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kAny; | 
| Node* lhs = Parameter(Type::String(), 0); | 
| Node* rhs = Parameter(Type::String(), 1); | 
| Node* context = Parameter(Type::Any(), 2); | 
| Node* frame_state = EmptyFrameState(); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->Add(hints), lhs, rhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->Add(hint), lhs, rhs, | 
| context, frame_state, effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), | 
| @@ -1004,16 +986,14 @@ TEST_F(JSTypedLoweringTest, JSAddWithString) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSAddSmis) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSignedSmall; | 
| Node* lhs = Parameter(Type::Number(), 0); | 
| Node* rhs = Parameter(Type::Number(), 1); | 
| Node* context = Parameter(Type::Any(), 2); | 
| Node* frame_state = EmptyFrameState(); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->Add(hints), lhs, rhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->Add(hint), lhs, rhs, | 
| context, frame_state, effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), | 
| @@ -1025,16 +1005,14 @@ TEST_F(JSTypedLoweringTest, JSAddSmis) { | 
| // JSSubtract | 
|  | 
| TEST_F(JSTypedLoweringTest, JSSubtractSmis) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSignedSmall; | 
| Node* lhs = Parameter(Type::Number(), 0); | 
| Node* rhs = Parameter(Type::Number(), 1); | 
| Node* context = Parameter(Type::Any(), 2); | 
| Node* frame_state = EmptyFrameState(); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->Subtract(hints), lhs, rhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->Subtract(hint), lhs, rhs, | 
| context, frame_state, effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), | 
| @@ -1108,14 +1086,12 @@ TEST_F(JSTypedLoweringTest, JSInstanceOfNoSpecialization) { | 
| // JSBitwiseAnd | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseAndWithSignedSmallHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSignedSmall; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseAnd(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseAnd(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -1125,14 +1101,12 @@ TEST_F(JSTypedLoweringTest, JSBitwiseAndWithSignedSmallHint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseAndWithSigned32Hint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSigned32; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseAnd(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseAnd(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -1142,14 +1116,12 @@ TEST_F(JSTypedLoweringTest, JSBitwiseAndWithSigned32Hint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseAndWithNumberOrOddballHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kNumberOrOddball; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseAnd(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseAnd(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -1162,16 +1134,14 @@ TEST_F(JSTypedLoweringTest, JSBitwiseAndWithNumberOrOddballHint) { | 
| // JSBitwiseOr | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseOrWithSignedSmallHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSignedSmall; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseOr(hints), lhs, | 
| -                                        rhs, UndefinedConstant(), | 
| -                                        EmptyFrameState(), effect, control)); | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseOr(hint), lhs, rhs, | 
| +                                        UndefinedConstant(), EmptyFrameState(), | 
| +                                        effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), | 
| IsSpeculativeNumberBitwiseOr(NumberOperationHint::kSignedSmall, | 
| @@ -1179,16 +1149,14 @@ TEST_F(JSTypedLoweringTest, JSBitwiseOrWithSignedSmallHint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseOrWithSigned32Hint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSigned32; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseOr(hints), lhs, | 
| -                                        rhs, UndefinedConstant(), | 
| -                                        EmptyFrameState(), effect, control)); | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseOr(hint), lhs, rhs, | 
| +                                        UndefinedConstant(), EmptyFrameState(), | 
| +                                        effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), | 
| IsSpeculativeNumberBitwiseOr(NumberOperationHint::kSigned32, lhs, | 
| @@ -1196,16 +1164,14 @@ TEST_F(JSTypedLoweringTest, JSBitwiseOrWithSigned32Hint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseOrWithNumberOrOddballHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kNumberOrOddball; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseOr(hints), lhs, | 
| -                                        rhs, UndefinedConstant(), | 
| -                                        EmptyFrameState(), effect, control)); | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseOr(hint), lhs, rhs, | 
| +                                        UndefinedConstant(), EmptyFrameState(), | 
| +                                        effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| EXPECT_THAT(r.replacement(), IsSpeculativeNumberBitwiseOr( | 
| NumberOperationHint::kNumberOrOddball, lhs, | 
| @@ -1216,14 +1182,12 @@ TEST_F(JSTypedLoweringTest, JSBitwiseOrWithNumberOrOddballHint) { | 
| // JSBitwiseXor | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseXorWithSignedSmallHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall, | 
| -                                   BinaryOperationHints::kSignedSmall); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSignedSmall; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseXor(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseXor(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -1233,14 +1197,12 @@ TEST_F(JSTypedLoweringTest, JSBitwiseXorWithSignedSmallHint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseXorWithSigned32Hint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32, | 
| -                                   BinaryOperationHints::kSigned32); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kSigned32; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseXor(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseXor(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
| @@ -1250,14 +1212,12 @@ TEST_F(JSTypedLoweringTest, JSBitwiseXorWithSigned32Hint) { | 
| } | 
|  | 
| TEST_F(JSTypedLoweringTest, JSBitwiseXorWithNumberOrOddballHint) { | 
| -  BinaryOperationHints const hints(BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball, | 
| -                                   BinaryOperationHints::kNumberOrOddball); | 
| +  BinaryOperationHint const hint = BinaryOperationHint::kNumberOrOddball; | 
| Node* lhs = Parameter(Type::Number(), 2); | 
| Node* rhs = Parameter(Type::Number(), 3); | 
| Node* effect = graph()->start(); | 
| Node* control = graph()->start(); | 
| -  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseXor(hints), lhs, | 
| +  Reduction r = Reduce(graph()->NewNode(javascript()->BitwiseXor(hint), lhs, | 
| rhs, UndefinedConstant(), | 
| EmptyFrameState(), effect, control)); | 
| ASSERT_TRUE(r.Changed()); | 
|  |