[DebugInfo] Fix some Clang-tidy modernize-use-default and Include What You Use warnings; other minor fixes (NFC).

Per Zachary Turner and Mehdi Amini suggestion to make only post-commit reviews.

llvm-svn: 287838

1 files changed, 4 insertions, 5 deletions

diff --git a/llvm/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp b/llvm/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp
index a347c67ba8e..541fcda4517 100644
--- a/llvm/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp
@@ -15,15 +15,14 @@
 #include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
 #include "llvm/DebugInfo/PDB/IPDBSession.h"
-#include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
 
 using namespace llvm;
 using namespace llvm::pdb;
 
-IPDBSession::~IPDBSession() {}
+IPDBSession::~IPDBSession() = default;
 
-IPDBDataStream::~IPDBDataStream() {}
+IPDBDataStream::~IPDBDataStream() = default;
 
-IPDBRawSymbol::~IPDBRawSymbol() {}
+IPDBRawSymbol::~IPDBRawSymbol() = default;
 
-IPDBLineNumber::~IPDBLineNumber() {}
+IPDBLineNumber::~IPDBLineNumber() = default;