[arm] Disable --turbo-types by default instead of ignoring the flag.

src/compiler.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/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 122 matching lines @@
   if (mode == STUB) {
     mode_ = STUB;
     return;
   }
   mode_ = mode;
   abort_due_to_dependency_ = false;
   if (script_->type()->value() == Script::TYPE_NATIVE) MarkAsNative();
   if (isolate_->debug()->is_active()) MarkAsDebug();
   if (FLAG_context_specialization) MarkAsContextSpecializing();
   if (FLAG_turbo_inlining) MarkAsInliningEnabled();
-#if !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_ARM64 && V8_TURBOFAN_BACKEND
-  // TODO(mstarzinger): Bugs in ARM back-end block enabling typed pipeline.
   if (FLAG_turbo_types) MarkAsTypingEnabled();
-#endif
 
   if (!shared_info_.is_null()) {
     DCHECK(strict_mode() == SLOPPY);
     SetStrictMode(shared_info_->strict_mode());
   }
   set_bailout_reason(kUnknown);
 
   if (!shared_info().is_null() && shared_info()->is_compiled()) {
     // We should initialize the CompilationInfo feedback vector from the
     // passed in shared info, rather than creating a new one.
@@ skipping 1229 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal