1  /* Test for non-lvalue arrays decaying to pointers: in C99 only.  */
       2  /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
       5  
       6  struct s { char c[17]; };
       7  
       8  struct s x;
       9  
      10  extern struct s foo (void);
      11  
      12  #define ASSERT(v, a)	char v[((a) ? 1 : -1)]
      13  
      14  ASSERT (p, sizeof (x.c) == 17);
      15  ASSERT (q, sizeof (0, x.c) == sizeof (char *));
      16  ASSERT (r, sizeof ((foo ()).c) == 17);
      17  /* The non-lvalue array does not decay to a pointer, so the comma expression
      18     has (non-lvalue) array type.
      19  */
      20  ASSERT (s, sizeof (0, (foo ()).c) == 17); /* { dg-bogus "array" "bad non-lvalue array handling" } */