gcc/testsuite/gcc.dg/c2x-unproto-1.c

   1 /* Test compatibility of unprototyped and prototyped function types (C2x makes
   2    the case of types affected by default argument promotions compatible).  Test
   3    valid-in-C2x usages.  */
   4 /* { dg-do compile } */
   5 /* { dg-options "-std=c2x -pedantic-errors" } */
   6
   7 void f1 ();
   8 void f1 (float);
   9
  10 void f2 (float);
  11 void f2 ();
  12
  13 void f3 ();
  14 void f3 (char);
  15
  16 void f4 (char);
  17 void f4 ();
  18
  19 /* Built-in function case.  */
  20 float sqrtf ();