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

src/frames.cc

 // 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.
 
 #include "src/frames.h"
 
 #include <memory>
 #include <sstream>
 
 #include "src/base/bits.h"
@@ skipping 388 matching lines @@
     ReturnAddressLocationResolver resolver) {
   DCHECK(return_address_location_resolver_ == NULL);
   return_address_location_resolver_ = resolver;
 }
 
 static bool IsInterpreterFramePc(Isolate* isolate, Address pc) {
   Code* interpreter_entry_trampoline =
       isolate->builtins()->builtin(Builtins::kInterpreterEntryTrampoline);
   Code* interpreter_bytecode_dispatch =
       isolate->builtins()->builtin(Builtins::kInterpreterEnterBytecodeDispatch);
-  Code* interpreter_baseline_on_return =
-      isolate->builtins()->builtin(Builtins::kInterpreterMarkBaselineOnReturn);
 
   return (pc >= interpreter_entry_trampoline->instruction_start() &&
           pc < interpreter_entry_trampoline->instruction_end()) ||
          (pc >= interpreter_bytecode_dispatch->instruction_start() &&
-          pc < interpreter_bytecode_dispatch->instruction_end()) ||
-         (pc >= interpreter_baseline_on_return->instruction_start() &&
-          pc < interpreter_baseline_on_return->instruction_end());
+          pc < interpreter_bytecode_dispatch->instruction_end());
 }
 
 StackFrame::Type StackFrame::ComputeType(const StackFrameIteratorBase* iterator,
                                          State* state) {
   DCHECK(state->fp != NULL);
 
   MSAN_MEMORY_IS_INITIALIZED(
       state->fp + CommonFrameConstants::kContextOrFrameTypeOffset,
       kPointerSize);
   Object* marker = Memory::Object_at(
@@ skipping 1548 matching lines @@
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 }  // namespace internal
 }  // namespace v8