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

src/builtins/arm64/builtins-arm64.cc

 // 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 1136 matching lines @@
   __ bind(&switch_to_different_code_kind);
   __ LeaveFrame(StackFrame::JAVA_SCRIPT);
   __ Ldr(x7, FieldMemOperand(x1, JSFunction::kSharedFunctionInfoOffset));
   __ Ldr(x7, FieldMemOperand(x7, SharedFunctionInfo::kCodeOffset));
   __ Add(x7, x7, Operand(Code::kHeaderSize - kHeapObjectTag));
   __ Str(x7, FieldMemOperand(x1, JSFunction::kCodeEntryOffset));
   __ RecordWriteCodeEntryField(x1, x7, x5);
   __ Jump(x7);
 }
 
-void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) {
-  // Save the function and context for call to CompileBaseline.
-  __ ldr(x1, MemOperand(fp, StandardFrameConstants::kFunctionOffset));
-  __ ldr(kContextRegister,
-         MemOperand(fp, StandardFrameConstants::kContextOffset));
-
-  // Leave the frame before recompiling for baseline so that we don't count as
-  // an activation on the stack.
-  LeaveInterpreterFrame(masm, x2);
-
-  {
-    FrameScope frame_scope(masm, StackFrame::INTERNAL);
-    // Push return value.
-    __ push(x0);
-
-    // Push function as argument and compile for baseline.
-    __ push(x1);
-    __ CallRuntime(Runtime::kCompileBaseline);
-
-    // Restore return value.
-    __ pop(x0);
-  }
-  __ Ret();
-}
-
 static void Generate_StackOverflowCheck(MacroAssembler* masm, Register num_args,
                                         Register scratch,
                                         Label* stack_overflow) {
   // Check the stack for overflow.
   // We are not trying to catch interruptions (e.g. debug break and
   // preemption) here, so the "real stack limit" is checked.
   Label enough_stack_space;
   __ LoadRoot(scratch, Heap::kRealStackLimitRootIndex);
   // Make scratch the space we have left. The stack might already be overflowed
   // here which will cause scratch to become negative.
@@ skipping 1819 matching lines @@
     __ Unreachable();
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM