[Bug rtl-optimization/111822] [12/13/14 Regression] during RTL pass: lr_shrinkage ICE: in operator[], at vec.h:910 with -O2 -m32 -flive-range-shrinkage -fno-dce -fnon-call-exceptions

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111822

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2023-10-22
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |needs-bisection

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.

Note changing:
```
  while (oldtop)
    Null();
```
to:
```
  if (oldtop)
    while (true)
      Null();
```

to get the same IR coming into expand, still passes in GCC 11.4.0.