gcc/testsuite/gcc.dg/uninit-pr108547.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wuninitialized" } */
   3
   4 int func_7_uc_10li_19 (int);
   5 int li_4, li_5, us_8;
   6 unsigned char func_7_ptr_13, func_7_uc_14;
   7 void func_7_ptr_18() {
   8   if (li_5) {
   9     for (;;)
  10       ;
  11     short s_15;
  12     for (; func_7_uc_14;) {
  13       us_8 = 7;
  14       for (; us_8; us_8 += 1)
  15       lblD2AF1FAB:
  16         if (us_8)
  17           li_4 = 1;
  18       func_7_uc_14 += (__INTPTR_TYPE__)func_7_ptr_18;
  19       if (func_7_ptr_13 & 1 && (func_7_uc_14 &= func_7_ptr_13))
  20         s_15 %= func_7_uc_10li_19(s_15); /* { dg-warning "uninitialized" } */
  21     }
  22   }
  23   goto lblD2AF1FAB;
  24 }