Enable concurrent optimization test after migrating scopes to Thread*

runtime/vm/flow_graph_compiler.cc

 // Copyright (c) 2013, 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/globals.h"  // Needed here to get TARGET_ARCH_XXX.
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
@@ skipping 157 matching lines @@
         parsed_function_(parsed_function),
         flow_graph_(*flow_graph),
         block_order_(*flow_graph->CodegenBlockOrder(is_optimizing)),
         current_block_(NULL),
         exception_handlers_list_(NULL),
         pc_descriptors_list_(NULL),
         stackmap_table_builder_(NULL),
         block_info_(block_order_.length()),
         deopt_infos_(),
         static_calls_target_table_(GrowableObjectArray::ZoneHandle(
-            GrowableObjectArray::New())),
+            // TODO(srdjan): Zone-allocate this array instead?
+            GrowableObjectArray::New(Heap::kOld))),
         is_optimizing_(is_optimizing),
         may_reoptimize_(false),
         intrinsic_mode_(false),
         double_class_(Class::ZoneHandle(
             isolate_->object_store()->double_class())),
         mint_class_(Class::ZoneHandle(
             isolate_->object_store()->mint_class())),
         float32x4_class_(Class::ZoneHandle(
             isolate_->object_store()->float32x4_class())),
         float64x2_class_(Class::ZoneHandle(
@@ skipping 320 matching lines @@
     ASSERT(is_optimizing() || FrameStateIsSafeToCall());
 #endif
   }
 
   if (inline_id_to_function_.length() > max_inlining_id + 1) {
     // TODO(srdjan): Some inlined function can disappear,
     // truncate 'inline_id_to_function_'.
   }
 
   if (is_optimizing()) {
-    LogBlock lb(Isolate::Current());
+    LogBlock lb(Thread::Current());
     intervals.Add(IntervalStruct(prev_offset, prev_inlining_id));
     inlined_code_intervals_ =
         Array::New(intervals.length() * Code::kInlIntNumEntries, Heap::kOld);
     Smi& start_h = Smi::Handle();
     Smi& caller_inline_id = Smi::Handle();
     Smi& inline_id = Smi::Handle();
     for (intptr_t i = 0; i < intervals.length(); i++) {
       if (FLAG_trace_inlining_intervals && is_optimizing()) {
         const Function& function =
             *inline_id_to_function_.At(intervals[i].inlining_id);
@@ skipping 1288 matching lines @@
 
 
 void FlowGraphCompiler::FrameStateClear() {
   ASSERT(!is_optimizing());
   frame_state_.TruncateTo(0);
 }
 #endif
 
 
 }  // namespace dart