1  /* PR preprocessor/57824 */
       2  /* { dg-do run } */
       3  /* { dg-options "-std=gnu99" { target c } } */
       4  /* { dg-options "-std=c++11" { target c++ } } */
       5  
       6  #define S(s) s
       7  #define T(s) s "\n"
       8  
       9  const char x[] = R"(
      10  abc
      11  )";
      12  const char y[] = S(R"(
      13  abc
      14  )");
      15  const char z[] = "\nabc\n";
      16  const char w[] = T(R"(
      17  abc)");
      18  
      19  int
      20  main ()
      21  {
      22    if (sizeof x != sizeof y
      23        || sizeof x != sizeof z
      24        || sizeof x != sizeof w
      25        || __builtin_memcmp (x, y, sizeof x)
      26        || __builtin_memcmp (x, z, sizeof x)
      27        || __builtin_memcmp (x, w, sizeof x))
      28      __builtin_abort ();
      29    return 0;
      30  }