Index: source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.h
===================================================================
--- source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.h
+++ source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.h
@@ -53,9 +53,9 @@
   // Constructors and Destructors
   PdbAstBuilder(ObjectFile &obj, PdbIndex &index);
 
-  clang::DeclContext &GetTranslationUnitDecl();
+  lldb_private::CompilerDeclContext GetTranslationUnitDecl();
 
-  clang::Decl *GetOrCreateDeclForUid(PdbSymUid uid);
+  lldb_private::CompilerDecl GetOrCreateDeclForUid(PdbSymUid uid);
   clang::DeclContext *GetOrCreateDeclContextForUid(PdbSymUid uid);
   clang::DeclContext *GetParentDeclContext(PdbSymUid uid);
 
@@ -76,6 +76,7 @@
   CompilerDecl ToCompilerDecl(clang::Decl &decl);
   CompilerType ToCompilerType(clang::QualType qt);
   CompilerDeclContext ToCompilerDeclContext(clang::DeclContext &context);
+  clang::Decl * FromCompilerDecl(CompilerDecl decl);
   clang::DeclContext *FromCompilerDeclContext(CompilerDeclContext context);
 
   ClangASTContext &clang() { return m_clang; }
Index: source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp
===================================================================
--- source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp
+++ source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp
@@ -214,8 +214,8 @@
   BuildParentMap();
 }
 
-clang::DeclContext &PdbAstBuilder::GetTranslationUnitDecl() {
-  return *m_clang.GetTranslationUnitDecl();
+lldb_private::CompilerDeclContext PdbAstBuilder::GetTranslationUnitDecl() {
+  return ToCompilerDeclContext(*m_clang.GetTranslationUnitDecl());
 }
 
 std::pair<clang::DeclContext *, std::string>
@@ -465,9 +465,9 @@
   }
 }
 
-clang::Decl *PdbAstBuilder::GetOrCreateDeclForUid(PdbSymUid uid) {
+lldb_private::CompilerDecl PdbAstBuilder::GetOrCreateDeclForUid(PdbSymUid uid) {
   if (clang::Decl *result = TryGetDecl(uid))
-    return result;
+    return ToCompilerDecl(*result);
 
   clang::Decl *result = nullptr;
   switch (uid.kind()) {
@@ -480,22 +480,22 @@
       result = tag;
       break;
     }
-    return nullptr;
+    return CompilerDecl();
   }
   default:
-    return nullptr;
+    return CompilerDecl();
   }
   m_uid_to_decl[toOpaqueUid(uid)] = result;
-  return result;
+  return ToCompilerDecl(*result);
 }
 
 clang::DeclContext *PdbAstBuilder::GetOrCreateDeclContextForUid(PdbSymUid uid) {
   if (uid.kind() == PdbSymUidKind::CompilandSym) {
     if (uid.asCompilandSym().offset == 0)
-      return &GetTranslationUnitDecl();
+      return FromCompilerDeclContext(GetTranslationUnitDecl());
   }
 
-  clang::Decl *decl = GetOrCreateDeclForUid(uid);
+  clang::Decl *decl = FromCompilerDecl(GetOrCreateDeclForUid(uid));
   if (!decl)
     return nullptr;
 
@@ -507,7 +507,7 @@
   MSVCUndecoratedNameParser parser(name);
   llvm::ArrayRef<MSVCUndecoratedNameSpecifier> specs = parser.GetSpecifiers();
 
-  clang::DeclContext *context = &GetTranslationUnitDecl();
+  auto context = FromCompilerDeclContext(GetTranslationUnitDecl());
 
   llvm::StringRef uname = specs.back().GetBaseName();
   specs = specs.drop_back();
@@ -548,7 +548,7 @@
   StringView name{pub->Name.begin(), pub->Name.size()};
   llvm::ms_demangle::SymbolNode *node = demangler.parse(name);
   if (!node)
-    return &GetTranslationUnitDecl();
+    return FromCompilerDeclContext(GetTranslationUnitDecl());
   llvm::ArrayRef<llvm::ms_demangle::Node *> name_components{
       node->Name->Components->Nodes, node->Name->Components->Count - 1};
 
@@ -569,7 +569,7 @@
   }
 
   // It's not a type.  It must be a series of namespaces.
-  clang::DeclContext *context = &GetTranslationUnitDecl();
+  auto context = FromCompilerDeclContext(GetTranslationUnitDecl());
   while (!name_components.empty()) {
     std::string ns = name_components.front()->toString();
     context = GetOrCreateNamespaceDecl(ns.c_str(), *context);
@@ -597,7 +597,7 @@
     PdbTypeSymId type_id = uid.asTypeSym();
     auto iter = m_parent_types.find(type_id.index);
     if (iter == m_parent_types.end())
-      return &GetTranslationUnitDecl();
+      return FromCompilerDeclContext(GetTranslationUnitDecl());
     return GetOrCreateDeclContextForUid(PdbTypeSymId(iter->second));
   }
   case PdbSymUidKind::FieldListMember:
@@ -635,7 +635,7 @@
   default:
     break;
   }
-  return &GetTranslationUnitDecl();
+  return FromCompilerDeclContext(GetTranslationUnitDecl());
 }
 
 bool PdbAstBuilder::CompleteType(clang::QualType qt) {
@@ -866,7 +866,8 @@
     return llvm::dyn_cast<clang::VarDecl>(decl);
 
   CVSymbol sym = m_index.ReadSymbolRecord(var_id);
-  return CreateVariableDecl(PdbSymUid(var_id), sym, GetTranslationUnitDecl());
+  auto context = FromCompilerDeclContext(GetTranslationUnitDecl());
+  return CreateVariableDecl(PdbSymUid(var_id), sym, *context);
 }
 
 clang::TypedefNameDecl *
@@ -1353,6 +1354,10 @@
   return {&m_clang, &context};
 }
 
+clang::Decl * PdbAstBuilder::FromCompilerDecl(CompilerDecl decl) {
+  return static_cast<clang::Decl *>(decl.GetOpaqueDecl());
+}
+
 clang::DeclContext *
 PdbAstBuilder::FromCompilerDeclContext(CompilerDeclContext context) {
   return static_cast<clang::DeclContext *>(context.GetOpaqueDeclContext());
Index: source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
===================================================================
--- source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
+++ source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
@@ -1506,9 +1506,7 @@
 }
 
 CompilerDecl SymbolFileNativePDB::GetDeclForUID(lldb::user_id_t uid) {
-  clang::Decl *decl = m_ast->GetOrCreateDeclForUid(PdbSymUid(uid));
-
-  return m_ast->ToCompilerDecl(*decl);
+  return m_ast->GetOrCreateDeclForUid(uid);
 }
 
 CompilerDeclContext