gcc/testsuite/gcc.dg/redecl-16.c

   1 /* PR 21502 */
   2 /* { dg-do compile } */
   3 /* { dg-options "" } */
   4
   5 typedef int IA[];
   6 typedef int IA5[5];
   7 typedef int IA10[10];
   8 typedef IA *IAP;
   9 typedef IA5 *IA5P;
  10 typedef IA10 *IA10P;
  11 extern IAP a[];
  12 void
  13 f (void)
  14 {
  15   extern IA5P a[];
  16 }
  17 IAP a[] = { 0 };        /* { dg-error "previous definition" } */
  18 extern IA10P a[];       /* { dg-error "conflicting types" } */