1  /* PR c/6660
       2     Test whether an unnamed field with user defined type - struct or union is
       3     accepted.  */
       4  /* { dg-do compile } */
       5  /* { dg-options "-fms-extensions" } */
       6  
       7  typedef struct {
       8    unsigned short a;
       9    unsigned short b;
      10  } __attribute__ ((__packed__)) A;
      11  
      12  typedef struct B_ {
      13    unsigned int c;
      14    unsigned int d;
      15  } B;
      16  
      17  typedef struct C_ {
      18    B;
      19    unsigned int e;
      20    unsigned int f;
      21  } C;
      22  
      23  typedef C D;
      24  
      25  typedef struct {
      26    A;
      27    D;
      28    struct {
      29      unsigned short g;
      30      unsigned short h;
      31    } __attribute__ ((__packed__));
      32    union {
      33      int i;
      34      long j;
      35    };
      36    int k;
      37  } __attribute__ ((__packed__)) E;
      38  
      39  E x;
      40  
      41  void foo (void)
      42  {
      43    x.a = 1;
      44    x.b = 2;
      45    x.c = 3;
      46    x.d = 4;
      47    x.e = 5;
      48    x.f = 6;
      49    x.g = 7;
      50    x.h = 8;
      51    x.i = 9;
      52    x.j = 10;
      53    x.k = 11;
      54  }