Remove `FileManager::invalidateCache` as it has no callers anymore. NFC.

llvm-svn: 370400

1 files changed, 0 insertions, 14 deletions

diff --git a/clang/lib/Basic/FileManager.cpp b/clang/lib/Basic/FileManager.cpp
index 8e186713a92..ec9ada2f196 100644
--- a/clang/lib/Basic/FileManager.cpp
+++ b/clang/lib/Basic/FileManager.cpp
@@ -498,20 +498,6 @@ FileManager::getNoncachedStatValue(StringRef Path,
   return std::error_code();
 }
 
-void FileManager::invalidateCache(const FileEntry *Entry) {
-  assert(Entry && "Cannot invalidate a NULL FileEntry");
-
-  SeenFileEntries.erase(Entry->getName());
-
-  // FileEntry invalidation should not block future optimizations in the file
-  // caches. Possible alternatives are cache truncation (invalidate last N) or
-  // invalidation of the whole cache.
-  //
-  // FIXME: This is broken. We sometimes have the same FileEntry* shared
-  // between multiple SeenFileEntries, so this can leave dangling pointers.
-  UniqueRealFiles.erase(Entry->getUniqueID());
-}
-
 void FileManager::GetUniqueIDMapping(
                    SmallVectorImpl<const FileEntry *> &UIDToFiles) const {
   UIDToFiles.clear();