1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index a5165ad..93a34b7 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -1300,7 +1300,9 @@ bool CompilerInstance::loadModuleFile(StringRef FileName) {
         TopFileIsModule = true;
 
       auto &ModuleFile = CI.ModuleFileOverrides[ModuleName];
-      if (!ModuleFile.empty() && ModuleFile != ModuleFileStack.back())
+      if (!ModuleFile.empty() &&
+          CI.getFileManager().getFile(ModuleFile) !=
+              CI.getFileManager().getFile(ModuleFileStack.back()))
         CI.getDiagnostics().Report(SourceLocation(),
                                    diag::err_conflicting_module_files)
             << ModuleName << ModuleFile << ModuleFileStack.back();