From df9a14d7bbf1180e4f1474254c9d7ed6bcb4ce55 Mon Sep 17 00:00:00 2001
From: Kadir Cetinkaya <kadircet@google.com>
Date: Thu, 21 Nov 2024 13:04:30 +0100
Subject: Reapply "[NFC] Explicitly pass a VFS when creating DiagnosticsEngine
 (#115852)"

This reverts commit a1153cd6fedd4c906a9840987934ca4712e34cb2 with fixes
to lldb breakages.

Fixes https://github.com/llvm/llvm-project/issues/117145.
---
 clang/unittests/Frontend/CompilerInvocationTest.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'clang/unittests/Frontend/CompilerInvocationTest.cpp')

diff --git a/clang/unittests/Frontend/CompilerInvocationTest.cpp b/clang/unittests/Frontend/CompilerInvocationTest.cpp
index 45478de..4ff6824 100644
--- a/clang/unittests/Frontend/CompilerInvocationTest.cpp
+++ b/clang/unittests/Frontend/CompilerInvocationTest.cpp
@@ -12,6 +12,7 @@
 #include "clang/Frontend/TextDiagnosticBuffer.h"
 #include "clang/Lex/PreprocessorOptions.h"
 #include "clang/Serialization/ModuleFileExtension.h"
+#include "llvm/Support/VirtualFileSystem.h"
 #include "llvm/TargetParser/Host.h"
 
 #include "gmock/gmock.h"
@@ -38,9 +39,9 @@ public:
   }
 
   CommandLineTest()
-      : Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions(),
-                                                  new TextDiagnosticBuffer())) {
-  }
+      : Diags(CompilerInstance::createDiagnostics(
+            *llvm::vfs::getRealFileSystem(), new DiagnosticOptions(),
+            new TextDiagnosticBuffer())) {}
 };
 
 template <typename M>
-- 
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