gcc/testsuite/gcc.dg/c11-old-style-definition-2.c

   1 /* Test old-style function definitions not in C23: () does not give
   2    type with a prototype for older standards.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c11" } */
   5
   6 void
   7 f ()
   8 {
   9 }
  10
  11 void
  12 g (void)
  13 {
  14   f (1);
  15 }