gcc/testsuite/gcc.dg/noncompile/930714-1.c

   1 typedef union _yystype
   2 {
   3   int i;
   4   int *iptr;
   5   int (*ifunc)(int);
   6   void (*vfunc)(int);
   7 }
   8 YYSTYPE;
   9
  10 extern int f1(int k);
  11
  12 void test()
  13 {
  14   YYSTYPE a;
  15   int (*iptr)(int);
  16   int foo[5];
  17
  18   a = f1;               /* { dg-error "incompatible types" } */
  19   a = (YYSTYPE)f1;
  20   a = (YYSTYPE)foo;
  21   a = (YYSTYPE)(int *)foo;
  22   iptr = f1;
  23   a = iptr;             /* { dg-error "incompatible types" } */
  24   a = (YYSTYPE)iptr;
  25 }