1 // RUN: %check_clang_tidy %s bugprone-reserved-identifier %t 2 3 // in C, double underscores are fine except at the beginning 4 5 void foo__(void); 6 void f__o__o(void); 7 void f_________oo(void); 8 void __foo(void); 9 // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: declaration uses identifier '__foo', which is a reserved identifier [bugprone-reserved-identifier] 10 // CHECK-FIXES: {{^}}void foo(void);{{$}} 11