[Bug c/84321] ice in intersect_range_with_nonzero_bits, at tree-vrp.c:213

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84321

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
Reduced code:

*a;
b, c;
d() {
  int e = 0;
  if (b == 1)
    return;
  for (; e < (b & ~7); e += 8)
    ;
  for (++e; e < b;)
    c = a[e];
}

The problem seems to occur between revisions 257477 and 257519.