[builtins] implement Array.prototype.includes in TurboFan

src/code-stubs.h

 // Copyright 2012 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_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/code-stub-assembler.h"
@@ skipping 122 matching lines @@
   V(StringLessThanOrEqual)                  \
   V(StringGreaterThan)                      \
   V(StringGreaterThanOrEqual)               \
   V(ToBoolean)                              \
   V(ToInteger)                              \
   V(ToLength)                               \
   V(HasProperty)                            \
   V(GetProperty)                            \
   V(LoadICTrampolineTF)                     \
   V(LoadICTF)                               \
+  V(SameValueZero)                          \
   /* IC Handler stubs */                    \
   V(KeyedLoadSloppyArguments)               \
   V(KeyedStoreSloppyArguments)              \
   V(LoadApiGetter)                          \
   V(LoadConstant)                           \
   V(LoadFastElement)                        \
   V(LoadField)                              \
   V(LoadIndexedInterceptor)                 \
   V(StoreField)                             \
   V(StoreGlobal)                            \
@@ skipping 714 matching lines @@
 };
 
 class StrictEqualStub final : public TurboFanCodeStub {
  public:
   explicit StrictEqualStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
   DEFINE_TURBOFAN_BINARY_OP_CODE_STUB(StrictEqual, TurboFanCodeStub);
 };
 
+class SameValueZeroStub final : public TurboFanCodeStub {
+ public:
+  explicit SameValueZeroStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
+  DEFINE_TURBOFAN_BINARY_OP_CODE_STUB(SameValueZero, TurboFanCodeStub);
+};
+
 class StrictNotEqualStub final : public TurboFanCodeStub {
  public:
   explicit StrictNotEqualStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Compare);
   DEFINE_TURBOFAN_BINARY_OP_CODE_STUB(StrictNotEqual, TurboFanCodeStub);
 };
 
 class StringEqualStub final : public TurboFanCodeStub {
  public:
@@ skipping 2218 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_