1 files changed, 4 insertions, 1 deletions
diff --git a/include/clang/Tooling/StandaloneExecution.h b/include/clang/Tooling/StandaloneExecution.h
index 572330e4cc22..96487b4bb1dd 100644
--- a/include/clang/Tooling/StandaloneExecution.h
+++ b/include/clang/Tooling/StandaloneExecution.h
@@ -37,7 +37,8 @@ public:
   StandaloneToolExecutor(
       const CompilationDatabase &Compilations,
       llvm::ArrayRef<std::string> SourcePaths,
-      IntrusiveRefCntPtr<vfs::FileSystem> BaseFS = vfs::getRealFileSystem(),
+      IntrusiveRefCntPtr<llvm::vfs::FileSystem> BaseFS =
+          llvm::vfs::getRealFileSystem(),
       std::shared_ptr<PCHContainerOperations> PCHContainerOps =
           std::make_shared<PCHContainerOperations>());
 
@@ -52,6 +53,8 @@ public:
 
   StringRef getExecutorName() const override { return ExecutorName; }
 
+  bool isSingleProcess() const override { return true; }
+
   using ToolExecutor::execute;
 
   llvm::Error