Subzero. Uses unique_ptrs in the emit queue.

src/IceGlobalContext.h

 //===- subzero/src/IceGlobalContext.h - Global context defs -----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 10 matching lines @@
 #include "IceIntrinsics.h"
 #include "IceRNG.h"
 #include "IceSwitchLowering.h"
 #include "IceThreading.h"
 #include "IceTimerTree.h"
 #include "IceTypes.h"
 #include "IceUtils.h"
 
 #include <array>
 #include <functional>
+#include <memory>
 #include <mutex>
 #include <thread>
 #include <type_traits>
+#include <utility>
 #include <vector>
 
 namespace Ice {
 
 class ClFlags;
 class ConstantPool;
 class EmitterWorkItem;
 class FuncSigType;
 
 /// LockedPtr is a way to provide automatically locked access to some object.
@@ skipping 285 matching lines @@
   /// Notifies that no more work will be added to the work queue.
   void optQueueNotifyEnd() { OptQ.notifyEnd(); }
 
   /// Emit file header for output file.
   void emitFileHeader();
 
   void lowerConstants();
 
   void lowerJumpTables();
 
-  void emitQueueBlockingPush(EmitterWorkItem *Item);
-  EmitterWorkItem *emitQueueBlockingPop();
+  void emitQueueBlockingPush(std::unique_ptr<EmitterWorkItem> Item);
+  std::unique_ptr<EmitterWorkItem> emitQueueBlockingPop();
   void emitQueueNotifyEnd() { EmitQ.notifyEnd(); }
 
   void initParserThread() {
     ThreadContext *Tls = new ThreadContext();
     auto Timers = getTimers();
     Timers->initInto(Tls->Timers);
     AllThreadContexts.push_back(Tls);
     ICE_TLS_SET_FIELD(TLS, Tls);
   }
 
@@ skipping 278 matching lines @@
   explicit OstreamLocker(GlobalContext *Ctx) : Ctx(Ctx) { Ctx->lockStr(); }
   ~OstreamLocker() { Ctx->unlockStr(); }
 
 private:
   GlobalContext *const Ctx;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H