gcc/testsuite/gcc.dg/builtin-complex-err-1.c

   1 /* Test __builtin_complex errors.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c11 -pedantic-errors" } */
   4
   5 typedef double D;
   6
   7 double d;
   8
   9 _Complex double dc = __builtin_complex (1.0, (D) 0.0);
  10
  11 _Complex double dc2 = __builtin_complex (d, 0.0); /* { dg-error "not constant" } */
  12
  13 _Complex float fc = __builtin_complex (1.0f, 1); /* { dg-error "not of real binary floating-point type" } */
  14
  15 _Complex float fc2 = __builtin_complex (1, 1.0f); /* { dg-error "not of real binary floating-point type" } */
  16
  17 _Complex float fc3 = __builtin_complex (1.0f, 1.0); /* { dg-error "different types" } */
  18
  19 void
  20 f (void)
  21 {
  22   __builtin_complex (0.0); /* { dg-error "wrong number of arguments" } */
  23   __builtin_complex (0.0, 0.0, 0.0); /* { dg-error "wrong number of arguments" } */
  24 }
  25
  26 void (*p) (void) = __builtin_complex; /* { dg-error "cannot take address" } */