[builtins] implement Array.prototype.includes in TurboFan

src/compiler/opcodes.h

 // Copyright 2013 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_OPCODES_H_
 #define V8_COMPILER_OPCODES_H_
 
 #include <iosfwd>
 
 // Opcodes for control operators.
@@ skipping 58 matching lines @@
 
 // Opcodes for JavaScript operators.
 #define JS_COMPARE_BINOP_LIST(V) \
   V(JSEqual)                     \
   V(JSNotEqual)                  \
   V(JSStrictEqual)               \
   V(JSStrictNotEqual)            \
   V(JSLessThan)                  \
   V(JSGreaterThan)               \
   V(JSLessThanOrEqual)           \
-  V(JSGreaterThanOrEqual)
+  V(JSGreaterThanOrEqual)        \
+  V(JSSameValueZero)
 
 #define JS_BITWISE_BINOP_LIST(V) \
   V(JSBitwiseOr)                 \
   V(JSBitwiseXor)                \
   V(JSBitwiseAnd)                \
   V(JSShiftLeft)                 \
   V(JSShiftRight)                \
   V(JSShiftRightLogical)
 
 #define JS_ARITH_BINOP_LIST(V) \
@@ skipping 618 matching lines @@
     return kIfTrue <= value && value <= kIfDefault;
   }
 
   // Returns true if opcode can be inlined.
   static bool IsInlineeOpcode(Value value) {
     return value == kJSCallConstruct || value == kJSCallFunction;
   }
 
   // Returns true if opcode for comparison operator.
   static bool IsComparisonOpcode(Value value) {
-    return (kJSEqual <= value && value <= kJSGreaterThanOrEqual) ||
+    return (kJSEqual <= value && value <= kJSSameValueZero) ||
            (kNumberEqual <= value && value <= kStringLessThanOrEqual) ||
            (kWord32Equal <= value && value <= kFloat64LessThanOrEqual);
   }
 };
 
 std::ostream& operator<<(std::ostream&, IrOpcode::Value);
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPCODES_H_