1  /* PR preprocessor/57824 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=gnu99 -fdump-tree-optimized-lineno -save-temps" { target c } } */
       4  /* { dg-options "-std=c++11 -fdump-tree-optimized-lineno -save-temps" { target c++ } } */
       5  
       6  const char x[] = R"(
       7  abc
       8  def
       9  ghi
      10  )";
      11  
      12  int
      13  main ()
      14  {
      15    extern void foo (); foo ();
      16    return 0;
      17  }
      18  
      19  /* Verify call to foo is on line 15.  */
      20  /* { dg-final { scan-tree-dump "c:15:\[^\n\r\]*foo" "optimized" } } */