1 // RUN: %clang_cc1 %s -Wunused-macros -Dfoo -Dfoo -verify 2 3 #include "warn-macro-unused.h" 4 5 #define unused // expected-warning {{macro is not used}} 6 #define unused 7 unused 8 9 // rdar://9745065 10 #undef unused_from_header // no warning 11