44 lines · c
1// RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic2 3struct emp_1 { // expected-warning {{empty struct is a GNU extension}}4};5 6union emp_2 { // expected-warning {{empty union is a GNU extension}}7};8 9struct emp_3 { // expected-warning {{struct without named members is a GNU extension}}10 int : 0;11};12 13union emp_4 { // expected-warning {{union without named members is a GNU extension}}14 int : 0;15};16 17struct emp_5 { // expected-warning {{struct without named members is a GNU extension}}18 int : 0;19 int : 0;20};21 22union emp_6 { // expected-warning {{union without named members is a GNU extension}}23 int : 0;24 int : 0;25};26 27struct nonamed_1 { // expected-warning {{struct without named members is a GNU extension}}28 int : 4;29};30 31union nonamed_2 { // expected-warning {{union without named members is a GNU extension}}32 int : 4;33};34 35struct nonamed_3 { // expected-warning {{struct without named members is a GNU extension}}36 int : 4;37 unsigned int : 4;38};39 40union nonamed_4 { // expected-warning {{union without named members is a GNU extension}}41 int : 4;42 unsigned int : 4;43};44