gcc/testsuite/gcc.dg/redecl-18.c

   1 /* Test redeclaration in an inner scope, with an incomplete type, of a
   2    file-scope initialized array shadowed in an intermediate scope (bug
   3    88584).  */
   4 /* { dg-do compile } */
   5 /* { dg-options "" } */
   6
   7 int a[1] = { 0 };
   8
   9 void
  10 f (void)
  11 {
  12   int a;
  13   {
  14     extern int a[];
  15     sizeof (a); /* { dg-error "incomplete" } */
  16   }
  17 }