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-rw-r--r--clang/lib/Basic/SourceManager.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Basic/SourceManager.cpp b/clang/lib/Basic/SourceManager.cpp
index 3bffcb5..db87a6e 100644
--- a/clang/lib/Basic/SourceManager.cpp
+++ b/clang/lib/Basic/SourceManager.cpp
@@ -1761,7 +1761,7 @@ void SourceManager::computeMacroArgsCache(MacroArgsMap &MacroArgsCache,
if (Invalid)
return;
if (Entry.isFile()) {
- auto File = Entry.getFile();
+ auto& File = Entry.getFile();
if (File.getFileCharacteristic() == C_User_ModuleMap ||
File.getFileCharacteristic() == C_System_ModuleMap)
continue;