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];