[turbofan] remove dependence of InstructionBlock on BasicBlock

src/compiler/pipeline.cc

 // Copyright 2014 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/compiler/pipeline.h"
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
 
 #include "src/base/platform/elapsed-timer.h"
@@ skipping 728 matching lines @@
     MoveOptimizer move_optimizer(temp_zone, data->sequence());
     move_optimizer.Run();
   }
 };
 
 
 struct JumpThreadingPhase {
   static const char* phase_name() { return "jump threading"; }
 
   void Run(PipelineData* data, Zone* temp_zone) {
-    ZoneVector<BasicBlock::RpoNumber> result(temp_zone);
+    ZoneVector<RpoNumber> result(temp_zone);
     if (JumpThreading::ComputeForwarding(temp_zone, result, data->sequence())) {
       JumpThreading::ApplyForwarding(result, data->sequence());
     }
   }
 };
 
 
 struct GenerateCodePhase {
   static const char* phase_name() { return "generate code"; }
 
@@ skipping 437 matching lines @@
 
   if (FLAG_trace_turbo && !data->MayHaveUnverifiableGraph()) {
     TurboCfgFile tcf(data->isolate());
     tcf << AsC1VAllocator("CodeGen", data->register_allocator());
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8