1 files changed, 2 insertions, 2 deletions
diff --git a/clang/unittests/Support/TimeProfilerTest.cpp b/clang/unittests/Support/TimeProfilerTest.cpp
index 995ebf625b7a..339b470153e6 100644
--- a/clang/unittests/Support/TimeProfilerTest.cpp
+++ b/clang/unittests/Support/TimeProfilerTest.cpp
@@ -45,6 +45,8 @@ std::string teardownProfiler() {
 // We only parse AST here. This is enough for constexpr evaluation.
 bool compileFromString(StringRef Code, StringRef Standard, StringRef File,
                        llvm::StringMap<std::string> Headers = {}) {
+  CompilerInstance Compiler;
+  Compiler.createDiagnostics();
 
   llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> FS(
       new llvm::vfs::InMemoryFileSystem());
@@ -55,8 +57,6 @@ bool compileFromString(StringRef Code, StringRef Standard, StringRef File,
   }
   llvm::IntrusiveRefCntPtr<FileManager> Files(
       new FileManager(FileSystemOptions(), FS));
-  CompilerInstance Compiler;
-  Compiler.createDiagnostics(Files->getVirtualFileSystem());
   Compiler.setFileManager(Files.get());
 
   auto Invocation = std::make_shared<CompilerInvocation>();