1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Lex/PPLexerChange.cpp b/clang/lib/Lex/PPLexerChange.cpp
index d8f61c0..b014124 100644
--- a/clang/lib/Lex/PPLexerChange.cpp
+++ b/clang/lib/Lex/PPLexerChange.cpp
@@ -302,7 +302,7 @@ void Preprocessor::diagnoseMissingHeaderInUmbrellaDir(const Module &Mod) {
     // Check whether this entry has an extension typically associated with
     // headers.
     if (!StringSwitch<bool>(llvm::sys::path::extension(Entry->path()))
-             .Cases(".h", ".H", ".hh", ".hpp", true)
+             .Cases({".h", ".H", ".hh", ".hpp"}, true)
              .Default(false))
       continue;