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

src/builtins/ia32/builtins-ia32.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.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 667 matching lines @@
   __ pop(esi);  // Callee's context.
   __ leave();   // Leave the frame so we can tail call.
   __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
   __ mov(ecx, FieldOperand(ecx, SharedFunctionInfo::kCodeOffset));
   __ lea(ecx, FieldOperand(ecx, Code::kHeaderSize));
   __ mov(FieldOperand(edi, JSFunction::kCodeEntryOffset), ecx);
   __ RecordWriteCodeEntryField(edi, ecx, ebx);
   __ jmp(ecx);
 }
 
-void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) {
-  // Save the function and context for call to CompileBaseline.
-  __ mov(edi, Operand(ebp, StandardFrameConstants::kFunctionOffset));
-  __ mov(kContextRegister,
-         Operand(ebp, StandardFrameConstants::kContextOffset));
-
-  // Leave the frame before recompiling for baseline so that we don't count as
-  // an activation on the stack.
-  LeaveInterpreterFrame(masm, ebx, ecx);
-
-  {
-    FrameScope frame_scope(masm, StackFrame::INTERNAL);
-    // Push return value.
-    __ push(eax);
-
-    // Push function as argument and compile for baseline.
-    __ push(edi);
-    __ CallRuntime(Runtime::kCompileBaseline);
-
-    // Restore return value.
-    __ pop(eax);
-  }
-  __ ret(0);
-}
-
 static void Generate_StackOverflowCheck(MacroAssembler* masm, Register num_args,
                                         Register scratch1, Register scratch2,
                                         Label* stack_overflow,
                                         bool include_receiver = false) {
   // 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.
   ExternalReference real_stack_limit =
       ExternalReference::address_of_real_stack_limit(masm->isolate());
   __ mov(scratch1, Operand::StaticVariable(real_stack_limit));
@@ skipping 2407 matching lines @@
 
 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) {
   Generate_OnStackReplacementHelper(masm, true);
 }
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32