[interpreter] Stage bytecode preservation.

src/runtime-profiler.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/runtime-profiler.h"
 
 #include "src/assembler.h"
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 386 matching lines @@
     for (int i = functions.length(); --i >= 0; ) {
       SharedFunctionInfo* shared_function_info = functions[i]->shared();
       int ticks = shared_function_info->profiler_ticks();
       if (ticks < Smi::kMaxValue) {
         shared_function_info->set_profiler_ticks(ticks + 1);
       }
     }
 
     Compiler::CompilationTier next_tier =
         Compiler::NextCompilationTier(function);
-    if (function->shared()->HasBytecodeArray()) {
+    if (function->shared()->code()->is_interpreter_trampoline_builtin()) {
       if (next_tier == Compiler::BASELINE) {
         MaybeBaselineIgnition(function, frame);
       } else {
         DCHECK_EQ(next_tier, Compiler::OPTIMIZED);
         MaybeOptimizeIgnition(function, frame);
       }
     } else {
       DCHECK_EQ(next_tier, Compiler::OPTIMIZED);
       MaybeOptimizeFullCodegen(function, frame, frame_count);
     }
   }
   any_ic_changed_ = false;
 }
 
 
 }  // namespace internal
 }  // namespace v8