Remove CONST_LEGACY VariableMode

src/bailout-reason.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_BAILOUT_REASON_H_
 #define V8_BAILOUT_REASON_H_
 
 namespace v8 {
 namespace internal {
 
@@ skipping 224 matching lines @@
   V(kUnexpectedFunctionIDForInvokeIntrinsic,                                   \
     "Unexpected runtime function id for the InvokeIntrinsic bytecode")         \
   V(kUnexpectedFPCRMode, "Unexpected FPCR mode.")                              \
   V(kUnexpectedSmi, "Unexpected smi value")                                    \
   V(kUnexpectedStackDepth, "Unexpected operand stack depth in full-codegen")   \
   V(kUnexpectedStackPointer, "The stack pointer is not the expected value")    \
   V(kUnexpectedStringType, "Unexpected string type")                           \
   V(kUnexpectedTypeForRegExpDataFixedArrayExpected,                            \
     "Unexpected type for RegExp data, FixedArray expected")                    \
   V(kUnexpectedValue, "Unexpected value")                                      \
-  V(kUnsupportedConstCompoundAssignment,                                       \
-    "Unsupported const compound assignment")                                   \
-  V(kUnsupportedCountOperationWithConst,                                       \
-    "Unsupported count operation with const")                                  \
   V(kUnsupportedDoubleImmediate, "Unsupported double immediate")               \
   V(kUnsupportedLetCompoundAssignment, "Unsupported let compound assignment")  \
   V(kUnsupportedLookupSlotInDeclaration,                                       \
     "Unsupported lookup slot in declaration")                                  \
   V(kUnsupportedNonPrimitiveCompare, "Unsupported non-primitive compare")      \
   V(kUnsupportedPhiUseOfArguments, "Unsupported phi use of arguments")         \
   V(kUnsupportedPhiUseOfConstVariable,                                         \
     "Unsupported phi use of const or let variable")                            \
   V(kUnexpectedReturnFromThrow, "Unexpectedly returned from a throw")          \
   V(kUnsupportedSwitchStatement, "Unsupported switch statement")               \
@@ skipping 16 matching lines @@
 };
 #undef ERROR_MESSAGES_CONSTANTS
 
 
 const char* GetBailoutReason(BailoutReason reason);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BAILOUT_REASON_H_