gcc/testsuite/gcc.dg/c2x-old-style-definition-6.c

   1 /* Test old-style function definitions not in C2x: () gives a type with
   2    a prototype for all declarations.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c2x" } */
   5
   6 void f1 (); /* { dg-message "declared here" } */
   7
   8 /* Prototyped function returning a pointer to a function with no arguments.  */
   9 void (*f2 (void))() { return f1; }
  10
  11 void
  12 g (void)
  13 {
  14   f1 (1); /* { dg-error "too many arguments" } */
  15   f2 () (1); /* { dg-error "too many arguments" } */
  16 }