Use std::make_shared in LLDB (NFC)

Unlike std::make_unique, which is only available since C++14,
std::make_shared is available since C++11. Not only is std::make_shared
a lot more readable compared to ::reset(new), it also performs a single
heap allocation for the object and control block.

Differential revision: https://reviews.llvm.org/D57990

llvm-svn: 353764

lldb/source/Target/ThreadPlanCallFunction.cpp

@@ -24,6 +24,8 @@
 #include "lldb/Utility/Log.h"
 #include "lldb/Utility/Stream.h"
 
+#include <memory>
+
 using namespace lldb;
 using namespace lldb_private;
 
@@ -404,8 +406,8 @@ void ThreadPlanCallFunction::DidPush() {
   GetThread().SetStopInfoToNothing();
 
 #ifndef SINGLE_STEP_EXPRESSIONS
-  m_subplan_sp.reset(
-      new ThreadPlanRunToAddress(m_thread, m_start_addr, m_stop_other_threads));
+  m_subplan_sp = std::make_shared<ThreadPlanRunToAddress>(
+      m_thread, m_start_addr, m_stop_other_threads);
 
   m_thread.QueueThreadPlan(m_subplan_sp, false);
   m_subplan_sp->SetPrivate(true);