Disentangle assembler from isolate.

src/isolate.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/isolate.h"
 
 #include <stdlib.h>
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
@@ skipping 2681 matching lines @@
   logger_->SetUp(this);
 
   // Initialize other runtime facilities
 #if defined(USE_SIMULATOR)
 #if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64 || V8_TARGET_ARCH_MIPS || \
     V8_TARGET_ARCH_MIPS64 || V8_TARGET_ARCH_PPC || V8_TARGET_ARCH_S390
   Simulator::Initialize(this);
 #endif
 #endif
 
-  code_aging_helper_ = new CodeAgingHelper(this);
-
   { // NOLINT
     // Ensure that the thread has a valid stack guard.  The v8::Locker object
     // will ensure this too, but we don't have to use lockers if we are only
     // using one thread.
     ExecutionAccess lock(this);
     stack_guard_.InitThread(lock);
   }
 
   // SetUp the object heap.
   DCHECK(!heap_.HasBeenSetUp());
   if (!heap_.SetUp()) {
     V8::FatalProcessOutOfMemory("heap setup");
     return false;
   }
 
+  code_aging_helper_ = new CodeAgingHelper(this);
+
 // Initialize the interface descriptors ahead of time.
 #define INTERFACE_DESCRIPTOR(V) \
   { V##Descriptor(this); }
   INTERFACE_DESCRIPTOR_LIST(INTERFACE_DESCRIPTOR)
 #undef INTERFACE_DESCRIPTOR
 
   deoptimizer_data_ = new DeoptimizerData(heap()->memory_allocator());
 
   const bool create_heap_objects = (des == NULL);
   if (create_heap_objects && !heap_.CreateHeapObjects()) {
@@ skipping 1010 matching lines @@
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8