[compiler] Prepare for partially shipping Ignition.

test/cctest/test-log-stack-tracer.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 63 matching lines @@
 // from the calling function.  When this function runs, the stack contains
 // a C_Entry frame and a Construct frame above the calling function's frame.
 static void construct_call(const v8::FunctionCallbackInfo<v8::Value>& args) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate());
   i::StackFrameIterator frame_iterator(isolate);
   CHECK(frame_iterator.frame()->is_exit() ||
         frame_iterator.frame()->is_builtin_exit());
   frame_iterator.Advance();
   CHECK(frame_iterator.frame()->is_construct());
   frame_iterator.Advance();
-  if (i::FLAG_ignition) {
+  if (frame_iterator.frame()->type() == i::StackFrame::STUB) {
     // Skip over bytecode handler frame.
-    CHECK(frame_iterator.frame()->type() == i::StackFrame::STUB);
     frame_iterator.Advance();
   }
   i::StackFrame* calling_frame = frame_iterator.frame();
   CHECK(calling_frame->is_java_script());
 
   v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
 #if defined(V8_HOST_ARCH_32_BIT)
   int32_t low_bits = reinterpret_cast<int32_t>(calling_frame->fp());
   args.This()
       ->Set(context, v8_str("low_bits"), v8_num(low_bits >> 1))
@@ skipping 192 matching lines @@
   v8::Local<v8::Context> context = CcTest::NewContext(TRACE_EXTENSION);
   v8::Context::Scope context_scope(context);
   CHECK(!i::TraceExtension::GetJsEntrySp());
   CompileRun("a = 1; b = a + 1;");
   CHECK(!i::TraceExtension::GetJsEntrySp());
   CompileRun("js_entry_sp();");
   CHECK(!i::TraceExtension::GetJsEntrySp());
   CompileRun("js_entry_sp_level2();");
   CHECK(!i::TraceExtension::GetJsEntrySp());
 }