gcc/testsuite/gcc.dg/c11-pointer-float-1.c

   1 /* Test C11 constraint against pointer / floating-point casts.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c11 -pedantic-errors" } */
   4
   5 void *p;
   6 float f;
   7 double d;
   8 long double ld;
   9 _Complex float cf;
  10 _Complex double cd;
  11 _Complex long double cld;
  12
  13 void
  14 func (void)
  15 {
  16   f = (float) p; /* { dg-error "pointer" } */
  17   d = (double) p; /* { dg-error "pointer" } */
  18   ld = (long double) p; /* { dg-error "pointer" } */
  19   cf = (_Complex float) p; /* { dg-error "pointer" } */
  20   cd = (_Complex double) p; /* { dg-error "pointer" } */
  21   cld = (_Complex long double) p; /* { dg-error "pointer" } */
  22   p = (void *) f; /* { dg-error "pointer" } */
  23   p = (void *) d; /* { dg-error "pointer" } */
  24   p = (void *) ld; /* { dg-error "pointer" } */
  25   p = (void *) cf; /* { dg-error "pointer" } */
  26   p = (void *) cd; /* { dg-error "pointer" } */
  27   p = (void *) cld; /* { dg-error "pointer" } */
  28 }