gcc/testsuite/gcc.dg/pr86124.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fipa-pta" } */
   3
   4 extern void a (void);
   5
   6 void b (void)
   7 {
   8   void *c;
   9   c = a;
  10   *(char *)c = 1; /* { dg-warning "accessing data memory with program memory address.*" "" { target avr-*-* } } */
  11 }