Imported Upstream version 5.18.0.179

Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215

external/llvm/lib/DebugInfo/PDB/PDBInterfaceAnchors.cpp

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+//===- PDBInterfaceAnchors.h - defines class anchor funcions ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// Class anchors are necessary per the LLVM Coding style guide, to ensure that
+// the vtable is only generated in this object file, and not in every object
+// file that incldues the corresponding header.
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/PDB/IPDBDataStream.h"
+#include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
+#include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
+#include "llvm/DebugInfo/PDB/IPDBSession.h"
+#include "llvm/DebugInfo/PDB/IPDBTable.h"
+
+using namespace llvm;
+using namespace llvm::pdb;
+
+IPDBSession::~IPDBSession() = default;
+
+IPDBDataStream::~IPDBDataStream() = default;
+
+IPDBRawSymbol::~IPDBRawSymbol() = default;
+
+IPDBLineNumber::~IPDBLineNumber() = default;
+
+IPDBTable::~IPDBTable() = default;