gcc/testsuite/gcc.dg/redecl-7.c

   1 /* Test for multiple declarations and composite types.  Diagnosis of
   2    completion incompatible with implicit initializer.  */
   3
   4 /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
   5 /* { dg-do compile } */
   6 /* { dg-options "-g" } */
   7
   8 int x[];
   9
  10 void
  11 f (void)
  12 {
  13   extern int x[2]; /* { dg-error "completed incompatibly" } */
  14 }
  15
  16 /* The following is OK.  */
  17
  18 int y[];
  19 void
  20 g (void)
  21 {
  22   extern int y[1];
  23 }