gcc/testsuite/gcc.dg/uninit-pr89296.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wuninitialized" } */
   3
   4 int get_a_value ();
   5 void printk(const char *);
   6 void test_func()
   7 {
   8     int loop;
   9     while (!loop) {             /* { dg-warning "is used uninitialized" } */
  10         loop = get_a_value();
  11         printk("...");
  12     }
  13 }