1  /* { dg-do compile } */
       2  /* { dg-options "-std=gnu99" } */
       3  /* { dg-require-effective-target alloca } */
       4  
       5  /* These are crash tests related to PR middle-end/6994; see also
       6     g++.dg/ext/vla1.C.  Note that at present A and C cannot be inlined.  */
       7  
       8  static inline void A (int i)
       9  {
      10    struct S { int ar[1][i]; } s;
      11  
      12    s.ar[0][0] = 0;
      13  }
      14  
      15  void B(void)
      16  {
      17    A(23);
      18  }
      19  
      20  static inline void C (int i)
      21  {
      22    union U { int ar[1][i]; } u;
      23  
      24    u.ar[0][0] = 0;
      25  }
      26  
      27  void D(void)
      28  {
      29    C(23);
      30  }