1  /* Test GNU parameter forward declarations.  */
       2  /* Origin: Joseph Myers <joseph@codesourcery.com> */
       3  /* { dg-do compile } */
       4  /* { dg-options "" } */
       5  
       6  /* Valid uses.  */
       7  int f1(int a; int a);
       8  int f2(int a; int a) { return 0; }
       9  int f3(int a; int a; int a);
      10  int f4(int a; int a; int a) { return 0; }
      11  int f5(int a; int (*x)[a], int a);
      12  int f6(int a; int (*x)[a], int a) { return 0; }
      13  int f7(int a; int (*x)[a]; int (*y)[x[1][2]], int (*x)[a], int a);
      14  int f8(int a; int (*x)[a]; int (*y)[x[1][2]], int (*x)[a], int a) { return 0; }
      15  
      16  /* Strange uses accepted by GCC 4.0 but not by 3.4 and probably not
      17     desirable to accept.  */
      18  int g1(int a;); /* { dg-error "just a forward declaration" "no parms" { xfail *-*-* } } */
      19  int g2(int a; __attribute__((unused))); /* { dg-error "just a forward declaration" "no parms" { xfail *-*-* } } */
      20  int g3(int;); /* { dg-error "just a forward declaration" "no parms" { xfail *-*-* } } */
      21  int g4(int, long;); /* { dg-error "just a forward declaration" "no parms" { xfail *-*-* } } */
      22  
      23  /* Invalid uses.  */
      24  int h1(int a; int b); /* { dg-error "just a forward declaration" } */
      25  int h2(int; int b); /* { dg-error "just a forward declaration" } */
      26  int h3(int a; long a); /* { dg-error "conflicting types|previous definition|just a forward declaration" } */