1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Frontend/DependencyFile.cpp b/clang/lib/Frontend/DependencyFile.cpp
index 1140c09..c2f6f41 100644
--- a/clang/lib/Frontend/DependencyFile.cpp
+++ b/clang/lib/Frontend/DependencyFile.cpp
@@ -159,7 +159,7 @@ void DependencyCollector::maybeAddDependency(StringRef Filename,
                                              bool IsMissing) {
   if (sawDependency(Filename, FromModule, IsSystem, IsModuleFile, IsMissing)) {
     if (IsSystem && FileMgr && shouldCanonicalizeSystemDependencies()) {
-      if (auto F = FileMgr->getFile(Filename))
+      if (auto F = FileMgr->getOptionalFileRef(Filename))
         Filename = FileMgr->getCanonicalName(*F);
     }
     addDependency(Filename);