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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* PR c++/37561 */
/* { dg-do compile } */

__extension__ __INTPTR_TYPE__ p;
char q;

void
foo ()
{
  ((char *) p)++;	/* { dg-error "lvalue" } */

  ((char *) q)++;	/* { dg-error "lvalue" } */
  /* { dg-warning "cast to pointer from integer of different size" "" { target *-*-* } .-1 } */

  ((char *) p)--;	/* { dg-error "lvalue" } */

  ((char *) q)--;	/* { dg-error "lvalue" } */
  /* { dg-warning "cast to pointer from integer of different size" "" { target *-*-* } .-1 } */

  ++(char *) p;		/* { dg-error "lvalue" } */

  ++(char *) q;		/* { dg-error "lvalue" } */
  /* { dg-warning "cast to pointer from integer of different size" "" { target *-*-* } .-1 } */

  --(char *) p;		/* { dg-error "lvalue" } */

  --(char *) q;		/* { dg-error "lvalue" } */
  /* { dg-warning "cast to pointer from integer of different size" "" { target *-*-* } .-1 } */
}