[compiler] Remove --ignition-preserve-bytecode flag.

src/objects-inl.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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 5042 matching lines @@
 }
 
 
 inline bool Code::is_hydrogen_stub() {
   return is_crankshafted() && kind() != OPTIMIZED_FUNCTION;
 }
 
 inline bool Code::is_interpreter_trampoline_builtin() {
   Builtins* builtins = GetIsolate()->builtins();
   return this == *builtins->InterpreterEntryTrampoline() ||
-         this == *builtins->InterpreterEnterBytecodeDispatch() ||
-         this == *builtins->InterpreterMarkBaselineOnReturn();
+         this == *builtins->InterpreterEnterBytecodeDispatch();
 }
 
 inline bool Code::has_unwinding_info() const {
   return HasUnwindingInfoField::decode(READ_UINT32_FIELD(this, kFlagsOffset));
 }
 
 inline void Code::set_has_unwinding_info(bool state) {
   uint32_t previous = READ_UINT32_FIELD(this, kFlagsOffset);
   uint32_t updated_value = HasUnwindingInfoField::update(previous, state);
   WRITE_UINT32_FIELD(this, kFlagsOffset, updated_value);
@@ skipping 3356 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_