clang/test/Sema/empty2.c

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