1 // RUN: %clang_cc1 %s -fsyntax-only -verify -Wc++-compat 2 3 struct emp_1 { // expected-warning {{empty struct has size 0 in C, size 1 in C++}} 4 }; 5 6 union emp_2 { // expected-warning {{empty union has size 0 in C, size 1 in C++}} 7 }; 8 9 struct emp_3 { // expected-warning {{struct has size 0 in C, size 1 in C++}} 10 int : 0; 11 }; 12 13 union emp_4 { // expected-warning {{union has size 0 in C, size 1 in C++}} 14 int : 0; 15 }; 16 17 struct emp_5 { // expected-warning {{struct has size 0 in C, size 1 in C++}} 18 int : 0; 19 int : 0; 20 }; 21 22 union emp_6 { // expected-warning {{union has size 0 in C, size 1 in C++}} 23 int : 0; 24 int : 0; 25 }; 26 27 struct emp_7 { // expected-warning {{struct has size 0 in C, size 1 in C++}} 28 struct emp_1 f1; 29 }; 30 31 union emp_8 { // expected-warning {{union has size 0 in C, size 1 in C++}} 32 struct emp_1 f1; 33 }; 34 35 struct emp_9 { // expected-warning {{struct has size 0 in C, non-zero size in C++}} 36 struct emp_1 f1; 37 union emp_2 f2; 38 }; 39
