gcc/testsuite/gcc.dg/Wbuiltin-declaration-mismatch-5.c

   1 /* PR testsuite/88098 - FAIL: gcc.dg/Wbuiltin-declaration-mismatch-4.c
   2    { dg-do compile }
   3    { dg-options "-std=gnu17 -Wbuiltin-declaration-mismatch -fshort-enums" } */
   4
   5 int abs ();
   6 double fabs ();     /* { dg-message "built-in .fabs. declared here" } */
   7
   8 enum E { e0 } e;
   9
  10 int i;
  11 double d;
  12
  13 void test_short_enums (void)
  14 {
  15   /* enum e promotes to int.  */
  16   i = abs (e);
  17
  18   d = fabs (e);     /* { dg-warning ".fabs. argument 1 promotes to .int. where .double. is expected in a call to built-in function declared without prototype" } */
  19 }