gcc/testsuite/c-c++-common/pr43690.c

   1 /* PR middle-end/43690 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4
   5 void
   6 foo (char *x)
   7 {
   8   asm ("" : : "m" (x++));       /* { dg-error "is not directly addressable" } */
   9   asm ("" : : "m" (++x));       /* { dg-error "is not directly addressable" } */
  10   asm ("" : : "m" (x--));       /* { dg-error "is not directly addressable" } */
  11   asm ("" : : "m" (--x));       /* { dg-error "is not directly addressable" } */
  12   asm ("" : : "m" (x + 1));     /* { dg-error "is not directly addressable" } */
  13 }