// RUN: %check_clang_tidy %s modernize-use-using %t -- -config="{CheckOptions: {modernize-use-using.IgnoreExternC: true}}" -- -I %S/Input/use-using/ // Some Header extern "C" { typedef int NewInt; } extern "C++" { typedef int InExternCPP; // CHECK-MESSAGES: :[[@LINE-1]]:1: warning: use 'using' instead of 'typedef' [modernize-use-using] // CHECK-FIXES: using InExternCPP = int; }