clEnumValN(DIDT_StrOffsetsDwo, "str_offsets.dwo", ".debug_str_offsets.dwo"),
clEnumValEnd));
-static void DumpInput(const StringRef &Filename) {
+static void DumpInput(StringRef Filename) {
ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr =
MemoryBuffer::getFileOrSTDIN(Filename);