gcc/testsuite/gcc.dg/pr106844.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -Wuninitialized --param uninit-control-dep-attempts=1" } */
   3
   4 struct {
   5   int count;
   6   int array[8];
   7 } fde_merge_v1;
   8
   9 void
  10 fde_merge_i2() {
  11   unsigned i1;
  12   do
  13     while (i1 && fde_merge_v1.array[i1 - 1]) /* { dg-warning "uninitialized" } */
  14       i1--;
  15   while (fde_merge_i2);
  16 }