/* Some incompatible external linkage declarations were not diagnosed.   Bug 21342.  Test type in inner scope is correct.  *//* Origin: Joseph Myers <joseph@codesourcery.com> *//* { dg-do compile } *//* { dg-options "" } */typedef int IA[];typedef int IA5[5];typedef IA *IAP;typedef IA5 *IA5P;extern IAP a[];voidf (void){  {    extern IA5P a[];    sizeof (*a[0]);  }  extern IAP a[];  extern IAP a[5];  sizeof (*a[0]); /* { dg-error "error: invalid application of 'sizeof' to incomplete type 'IA'" } */}