[Bug tree-optimization/110332] [14 regression] ICE in dominated_by_p when building LLVM with -O3

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110332

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #7)
Another one reduced C testcase, very similar to the previous one but slightly
more reduced:
```
_Bool a;
struct s { int t; } c, d;
unsigned e, f;
unsigned transferValues(struct s *End) {
  unsigned RegIdx = *(a ? &e : &f);
  *End = *(a ? &c : &d);
  return RegIdx;
}
```