modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/alias-3.c (about)

     1  /* { dg-require-alias "" } */
     2  /* { dg-skip-if "" { powerpc-ibm-aix* } } */
     3  static int a=0;
     4  extern int b __attribute__ ((alias("a")));
     5  __attribute__ ((noinline))
     6  static inc()
     7  {
     8    b++;
     9  }
    10  int
    11  main()
    12  {
    13    a=0;
    14    inc ();
    15    if (a!=1)
    16      __builtin_abort ();
    17    return 0;
    18  }