[DebugInfoPDB] Add DIA implementation of addressForVA and addressForRVA

These are used in finding line numbers for PDBSymbolData

llvm-svn: 328585
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeSession.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeSession.cpp
index d9f9552..1eaecc4 100644
--- a/llvm/lib/DebugInfo/PDB/Native/NativeSession.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeSession.cpp
@@ -185,6 +185,16 @@
              : nullptr;
 }
 
+bool NativeSession::addressForVA(uint64_t VA, uint32_t &Section,
+                                 uint32_t &Offset) const {
+  return false;
+}
+
+bool NativeSession::addressForRVA(uint32_t VA, uint32_t &Section,
+                                  uint32_t &Offset) const {
+  return false;
+}
+
 std::unique_ptr<PDBSymbol>
 NativeSession::findSymbolByAddress(uint64_t Address, PDB_SymType Type) const {
   return nullptr;