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

1 files changed, 4 insertions, 1 deletions

diff --git a/lldb/source/API/SBInstruction.cpp b/lldb/source/API/SBInstruction.cpp
index 5b3c0aac2ff..abc390b24b8 100644
--- a/lldb/source/API/SBInstruction.cpp
+++ b/lldb/source/API/SBInstruction.cpp
@@ -10,6 +10,7 @@
 
 #include "lldb/API/SBAddress.h"
 #include "lldb/API/SBFrame.h"
+
 #include "lldb/API/SBInstruction.h"
 #include "lldb/API/SBStream.h"
 #include "lldb/API/SBTarget.h"
@@ -25,6 +26,8 @@
 #include "lldb/Utility/DataBufferHeap.h"
 #include "lldb/Utility/DataExtractor.h"
 
+#include <memory>
+
 //----------------------------------------------------------------------
 // We recently fixed a leak in one of the Instruction subclasses where the
 // instruction will only hold a weak reference to the disassembler to avoid a
@@ -190,7 +193,7 @@ lldb::InstructionSP SBInstruction::GetOpaque() {
 
 void SBInstruction::SetOpaque(const lldb::DisassemblerSP &disasm_sp,
                               const lldb::InstructionSP &inst_sp) {
-  m_opaque_sp.reset(new InstructionImpl(disasm_sp, inst_sp));
+  m_opaque_sp = std::make_shared<InstructionImpl>(disasm_sp, inst_sp);
 }
 
 bool SBInstruction::GetDescription(lldb::SBStream &s) {