gcc/testsuite/gcc.dg/anon-struct-3.c

   1 /* { dg-options "-std=gnu89 -fms-extensions" } */
   2 /* Enabling Microsoft mode makes all of the tests equivalent.  Checked vs
   3    Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8168 for 80x86
   4  */
   5
   6 struct A { char a; };
   7
   8 struct B {
   9   struct A;
  10   char b;
  11 };
  12 char testB[sizeof(struct B) == 2 * sizeof(struct A) ? 1 : -1];
  13
  14 struct C {
  15   struct D { char d; };
  16   char c;
  17 };
  18 char testC[sizeof(struct C) == 2 * sizeof(struct A) ? 1 : -1];
  19 char testD[sizeof(struct D) == sizeof(struct A) ? 1 : -1];
  20
  21 struct E {
  22   struct { char z; };
  23   char e;
  24 };
  25 char testE[sizeof(struct E) == 2 * sizeof(struct A) ? 1 : -1];
  26
  27 typedef struct A typedef_A;
  28 struct F {
  29   typedef_A;
  30   char f;
  31 };
  32 char testF[sizeof(struct F) == 2 * sizeof(struct A) ? 1 : -1];