[Bug middle-end/81318] [8 regression] ICE in to_reg_br_prob_base, at profile-count.h:189

[daniel.black at au dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81318

--- Comment #27 from Daniel Black <daniel.black at au dot ibm.com> ---
reduced test case, quite similar however just to be sure:

int a, b;
__attribute__((__cold__)) fn1();
__attribute__((always_inline)) fn2() { fn1(); }
fn3() {
  fn2();
  if (b)
    a = 0;
}