#include <perms.h>

//          Edinburgh IMP77 Compiler - Version 8.4
//
//     1
//     2  %BEGIN

int main(int argc, char **argv) { /*%begin*/
  _imp_initialise(argc, argv);

  //     3  %RECORDFORMATSPEC F2
  //     4  %RECORDFORMAT F1(%INTEGER I,%RECORD(F2)%NAME R)

  struct F1 {
    union {
      struct {
        int I;
        struct F2 *R;
      };
    };
  };

  //     5  %RECORDFORMAT F2(%INTEGER J,%RECORD(F1)%NAME R)

  struct F2 {
    union {
      struct {
        int J;
        struct F1 *R;
      };
    };
  };

  //     6  %RECORD(F2) RR

  struct F2 RR;

  //     7  %ENDOFPROGRAM

  _imp_stop(0);
  return 0;
end_0:;
}