[llvm] Migrate llvm::make_unique to std::make_unique

Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.

llvm-svn: 369013
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
index fbdfb8d..a6a81860 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
@@ -354,20 +354,20 @@
     llvm_unreachable("Unsupported target for RuntimeDyldMachO.");
     break;
   case Triple::arm:
-    return make_unique<RuntimeDyldMachOARM>(MemMgr, Resolver);
+    return std::make_unique<RuntimeDyldMachOARM>(MemMgr, Resolver);
   case Triple::aarch64:
-    return make_unique<RuntimeDyldMachOAArch64>(MemMgr, Resolver);
+    return std::make_unique<RuntimeDyldMachOAArch64>(MemMgr, Resolver);
   case Triple::x86:
-    return make_unique<RuntimeDyldMachOI386>(MemMgr, Resolver);
+    return std::make_unique<RuntimeDyldMachOI386>(MemMgr, Resolver);
   case Triple::x86_64:
-    return make_unique<RuntimeDyldMachOX86_64>(MemMgr, Resolver);
+    return std::make_unique<RuntimeDyldMachOX86_64>(MemMgr, Resolver);
   }
 }
 
 std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
 RuntimeDyldMachO::loadObject(const object::ObjectFile &O) {
   if (auto ObjSectionToIDOrErr = loadObjectImpl(O))
-    return llvm::make_unique<LoadedMachOObjectInfo>(*this,
+    return std::make_unique<LoadedMachOObjectInfo>(*this,
                                                     *ObjSectionToIDOrErr);
   else {
     HasError = true;