[WIP] JSForInLowering and JSForInHasOwnProperty.

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>
 
 #include "src/globals.h"
@@ skipping 148 matching lines @@
   V(JSCreateScriptContext)
 
 #define JS_OTHER_OP_LIST(V)         \
   V(JSConstruct)                    \
   V(JSConstructWithSpread)          \
   V(JSCallForwardVarargs)           \
   V(JSCall)                         \
   V(JSCallWithSpread)               \
   V(JSCallRuntime)                  \
   V(JSConvertReceiver)              \
+  V(JSForInHasOwnProperty)          \
+  V(JSForInLoadProperty)            \
   V(JSForInNext)                    \
   V(JSForInPrepare)                 \
   V(JSLoadMessage)                  \
   V(JSStoreMessage)                 \
   V(JSLoadModule)                   \
   V(JSStoreModule)                  \
   V(JSGeneratorStore)               \
   V(JSGeneratorRestoreContinuation) \
   V(JSGeneratorRestoreRegister)     \
   V(JSStackCheck)                   \
@@ skipping 138 matching lines @@
   V(CheckNumber)                    \
   V(CheckInternalizedString)        \
   V(CheckReceiver)                  \
   V(CheckString)                    \
   V(CheckSmi)                       \
   V(CheckHeapObject)                \
   V(CheckFloat64Hole)               \
   V(CheckTaggedHole)                \
   V(ConvertTaggedHoleToUndefined)   \
   V(Allocate)                       \
+  V(LoadFieldByIndex)               \
   V(LoadField)                      \
   V(LoadBuffer)                     \
   V(LoadElement)                    \
   V(LoadTypedElement)               \
   V(StoreField)                     \
   V(StoreBuffer)                    \
   V(StoreElement)                   \
   V(StoreTypedElement)              \
   V(ObjectIsDetectableCallable)     \
   V(ObjectIsNaN)                    \
@@ skipping 465 matching lines @@
   }
 };
 
 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, IrOpcode::Value);
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPCODES_H_