1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc struct emp_1 { // expected-warning {{empty struct is a GNU extension}} 4*f4a2713aSLionel Sambuc }; 5*f4a2713aSLionel Sambuc 6*f4a2713aSLionel Sambuc union emp_2 { // expected-warning {{empty union is a GNU extension}} 7*f4a2713aSLionel Sambuc }; 8*f4a2713aSLionel Sambuc 9*f4a2713aSLionel Sambuc struct emp_3 { // expected-warning {{struct without named members is a GNU extension}} 10*f4a2713aSLionel Sambuc int : 0; 11*f4a2713aSLionel Sambuc }; 12*f4a2713aSLionel Sambuc 13*f4a2713aSLionel Sambuc union emp_4 { // expected-warning {{union without named members is a GNU extension}} 14*f4a2713aSLionel Sambuc int : 0; 15*f4a2713aSLionel Sambuc }; 16*f4a2713aSLionel Sambuc 17*f4a2713aSLionel Sambuc struct emp_5 { // expected-warning {{struct without named members is a GNU extension}} 18*f4a2713aSLionel Sambuc int : 0; 19*f4a2713aSLionel Sambuc int : 0; 20*f4a2713aSLionel Sambuc }; 21*f4a2713aSLionel Sambuc 22*f4a2713aSLionel Sambuc union emp_6 { // expected-warning {{union without named members is a GNU extension}} 23*f4a2713aSLionel Sambuc int : 0; 24*f4a2713aSLionel Sambuc int : 0; 25*f4a2713aSLionel Sambuc }; 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambuc struct nonamed_1 { // expected-warning {{struct without named members is a GNU extension}} 28*f4a2713aSLionel Sambuc int : 4; 29*f4a2713aSLionel Sambuc }; 30*f4a2713aSLionel Sambuc 31*f4a2713aSLionel Sambuc union nonamed_2 { // expected-warning {{union without named members is a GNU extension}} 32*f4a2713aSLionel Sambuc int : 4; 33*f4a2713aSLionel Sambuc }; 34*f4a2713aSLionel Sambuc 35*f4a2713aSLionel Sambuc struct nonamed_3 { // expected-warning {{struct without named members is a GNU extension}} 36*f4a2713aSLionel Sambuc int : 4; 37*f4a2713aSLionel Sambuc unsigned int : 4; 38*f4a2713aSLionel Sambuc }; 39*f4a2713aSLionel Sambuc 40*f4a2713aSLionel Sambuc union nonamed_4 { // expected-warning {{union without named members is a GNU extension}} 41*f4a2713aSLionel Sambuc int : 4; 42*f4a2713aSLionel Sambuc unsigned int : 4; 43*f4a2713aSLionel Sambuc }; 44