Make MCAsmBackend and MCCodeEmiiter passed by unique_ptr rval

[hctim]

Summary

Fixes build breakage of llvm-mc-assemble-fuzzer introduced by rL315531.

[hctim]

Friendly ping :)

[hctim]

Merge for submission.

tools/llvm-mc-assemble-fuzzer/llvm-mc-assemble-fuzzer.cpp

 //===--- llvm-mc-fuzzer.cpp - Fuzzer for the MC layer ---------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm-c/Target.h"
 #include "llvm/MC/SubtargetFeature.h"
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCCodeEmitter.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCInstPrinter.h"
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCObjectFileInfo.h"
 #include "llvm/MC/MCParser/AsmLexer.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSectionMachO.h"
cl::values(
        clEnumValN(OFT_ObjectFile, "obj",
                   "Emit a native object ('.o') file")));
 
 
 class LLVMFuzzerInputBuffer : public MemoryBuffer
 {
   public:
     LLVMFuzzerInputBuffer(const uint8_t *data_, size_t size_)
-      : Data(reinterpret_cast<const char *>(data_)), 
+      : Data(reinterpret_cast<const char *>(data_)),
         Size(size_) {
         init(Data, Data+Size, false);
       }
 
 
     virtual BufferKind getBufferKind() const {
       return MemoryBuffer_Malloc; // it's not disk-backed so I think that's
                                   // the intent ... though AFAIK it
if (!Out->os().supportsSeeking()) {
       BOS = make_unique<buffer_ostream>(Out->os());
       OS = BOS.get();
     }
 
     MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
     MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU,
                                                       MCOptions);
     Str.reset(TheTarget->createMCObjectStreamer(
-        TheTriple, Ctx, *MAB, *OS, CE, *STI, MCOptions.MCRelaxAll,
+        TheTriple, Ctx, std::unique_ptr<MCAsmBackend>(MAB), *OS,
+        std::unique_ptr<MCCodeEmitter>(CE), *STI, MCOptions.MCRelaxAll,
         MCOptions.MCIncrementalLinkerCompatible,
         /*DWARFMustBeAtTheEnd*/ false));
   }
   const int Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI,
       *MCII, MCOptions);
 
   (void) Res;