[gardening] Revert "Eliminate dependencies on assemblers and code stubs in precompiled runtime."

runtime/vm/megamorphic_cache_table.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/megamorphic_cache_table.h"
 
 #include <stdlib.h>
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/stub_code.h"
@@ skipping 30 matching lines @@
   table.Add(cache, Heap::kOld);
   return cache.raw();
 }
 
 RawFunction* MegamorphicCacheTable::miss_handler(Isolate* isolate) {
   ASSERT(isolate->object_store()->megamorphic_miss_function() !=
          Function::null());
   return isolate->object_store()->megamorphic_miss_function();
 }
 
-#if !defined(DART_PRECOMPILED_RUNTIME)
 void MegamorphicCacheTable::InitMissHandler(Isolate* isolate) {
   // The miss handler for a class ID not found in the table is invoked as a
   // normal Dart function.
   const Code& code = Code::Handle(StubCode::Generate(
       "_stub_MegamorphicMiss", StubCode::GenerateMegamorphicMissStub));
   // When FLAG_lazy_dispatchers=false, this stub can be on the stack during
   // exceptions, but it has a corresponding function so IsStubCode is false and
   // it is considered in the search for an exception handler.
   code.set_exception_handlers(Object::empty_exception_handlers());
   const Class& cls =
@@ skipping 10 matching lines @@
   function.set_is_debuggable(false);
   function.set_is_visible(false);
   function.AttachCode(code);  // Has a single entry point, as a static function.
   // For inclusion in Snapshot::kFullJIT.
   function.set_unoptimized_code(code);
 
   ASSERT(isolate->object_store()->megamorphic_miss_function() ==
          Function::null());
   isolate->object_store()->SetMegamorphicMissHandler(code, function);
 }
-#endif  // !defined(DART_PRECOMPILED_RUNTIME)
 
 void MegamorphicCacheTable::PrintSizes(Isolate* isolate) {
   StackZone zone(Thread::Current());
   intptr_t size = 0;
   MegamorphicCache& cache = MegamorphicCache::Handle();
   Array& buckets = Array::Handle();
   const GrowableObjectArray& table = GrowableObjectArray::Handle(
       isolate->object_store()->megamorphic_cache_table());
   if (table.IsNull()) return;
   intptr_t max_size = 0;
@@ skipping 49 matching lines @@
   for (intptr_t i = 0; i <= max_probe_count; i++) {
     cumulative_entries += probe_counts[i];
     OS::Print("Megamorphic probe %" Pd ": %" Pd " (%lf)\n", i, probe_counts[i],
               static_cast<double>(cumulative_entries) /
                   static_cast<double>(entry_count));
   }
   delete[] probe_counts;
 }
 
 }  // namespace dart