1  /* { dg-do compile { target *-*-darwin* } } */
       2  /* { dg-additional-options "-fcommon" } */
       3  
       4  /* Test alignment rules which differ for earlier hosts (so we must
       5     work on the principle that this test will be exercised by self-
       6     hosted compilers. */
       7  
       8  #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1070
       9  #define align_OK (1ul << 28)
      10  #define align_BAD (1ul << 29)
      11  #else
      12  #define align_OK (1ul << 15)
      13  #define align_BAD (1ul << 16)
      14  #endif
      15  
      16  /* All non common vars are allowed larger alignment on modern systems.  */
      17  static int xn __attribute__ ((aligned (align_OK)));
      18  static int xi __attribute__ ((aligned (align_OK))) = 5  ;
      19  int gxi __attribute__ ((aligned (align_OK))) = 6 ;
      20  
      21  /* test that we detect bad cases.  */
      22  static int yn __attribute__ ((aligned (align_BAD))); /* { dg-error {requested alignment .[0-9]+. exceeds object file maximum} } */
      23  static int yi __attribute__ ((aligned (align_BAD))) = 5;  /* { dg-error {requested alignment .[0-9]+. exceeds object file maximum} } */
      24  int yni __attribute__ ((aligned (align_BAD))) = 6;  /* { dg-error {requested alignment .[0-9]+. exceeds object file maximum} } */