129535baf2a2bd1d92b8a80992164ea815dda16b3Rafael Espindola// RUN: %clang_cc1 -fsyntax-only -verify %s 229535baf2a2bd1d92b8a80992164ea815dda16b3Rafael Espindola 3651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesextern char test1[] __attribute__((used)); // expected-warning {{'used' attribute ignored}} 4651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesextern const char test2[] __attribute__((used)); // expected-warning {{'used' attribute ignored}} 529535baf2a2bd1d92b8a80992164ea815dda16b3Rafael Espindolaextern const char test3[] __attribute__((used)) = ""; 6