1  /* Limit this to known non-strict alignment targets.  */
       2  /* { dg-do run { target { i?86-*-linux* x86_64-*-linux* } } } */
       3  /* { dg-options "-fsanitize=alignment" } */
       4  
       5  #define __round_mask(x, y) ((__typeof__(x))((y)-1))
       6  #define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
       7  
       8  struct test_struct {
       9    unsigned long a;
      10    int b;
      11  } __attribute__((__aligned__(64)));
      12  
      13  char a[200];
      14  
      15  int main ()
      16  {
      17    volatile int x = ((struct test_struct*)(round_up((unsigned long)a, 64) + 16))->b;
      18    volatile int y = ((struct test_struct*)(round_up((unsigned long)a, 64) + 15))->b;
      19  
      20    return 0;
      21  }
      22  
      23  /* { dg-output "\.c:18:\[0-9]*: \[^\n\r]*member access within misaligned address 0x\[0-9a-fA-F]* for type 'struct test_struct', which requires 64 byte alignment" } */