[Clang][NFC] Use const auto & to avoid copy (#138069)
Static analysis flagged this code as causing a copy when we never modify
ModName and therefore we can use const auto & and avoid copying.
diff --git a/clang/lib/Lex/ModuleMap.cpp b/clang/lib/Lex/ModuleMap.cpp
index a1394fd..74fe55f 100644
--- a/clang/lib/Lex/ModuleMap.cpp
+++ b/clang/lib/Lex/ModuleMap.cpp
@@ -1959,7 +1959,7 @@
}
void ModuleMapLoader::handleExportAsDecl(const modulemap::ExportAsDecl &EAD) {
- auto ModName = EAD.Id.front();
+ const auto &ModName = EAD.Id.front();
if (!ActiveModule->ExportAsModule.empty()) {
if (ActiveModule->ExportAsModule == ModName.first) {
