[clang-tools-extra] [clangd] [Modules] Use ASTReader directly in IsModuleFileUpToDate (PR #113879)

[Chuanqi Xu via cfe-commits]

================
@@ -127,50 +128,64 @@ struct ModuleFile {
   std::string ModuleFilePath;
 };
 
-bool IsModuleFileUpToDate(
-    PathRef ModuleFilePath,
-    const PrerequisiteModules &RequisiteModules) {
-IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
-      CompilerInstance::createDiagnostics(new DiagnosticOptions());
-
+bool IsModuleFileUpToDate(PathRef ModuleFilePath,
+                          const PrerequisiteModules &RequisiteModules,
+                          llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS) {
   auto HSOpts = std::make_shared<HeaderSearchOptions>();
   RequisiteModules.adjustHeaderSearchOptions(*HSOpts);
   HSOpts->ForceCheckCXX20ModulesInputFiles = true;
   HSOpts->ValidateASTInputFilesContent = true;
 
+  IntrusiveRefCntPtr<DiagnosticsEngine> Diags =
----------------
ChuanqiXu9 wrote:

Done

https://github.com/llvm/llvm-project/pull/113879