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 f(void)13f (void) 14 { 15 extern IA5P a[]; 16 } 17 IAP a[] = { 0 }; /* { dg-message "note: previous definition" } */ 18 extern IA10P a[]; /* { dg-error "conflicting types" } */ 19