IRA changes rules of the game

[Joern Rennecke]

Quoting "Paulo J. Matos" <paulo@matos-sorge.com>:

> This is a very strange insn indeed:
> (set (ge (reg:QI 0 AH [orig:26 w ] [26])
>         (const_int 0 [0]))
>     (plus:QI (plus:QI (ltu:QI (reg:CC 13 CC)
>                 (const_int 0 [0]))
>             (lt (reg:QI 0 AH [orig:30 a ] [30])
>                 (const_int 0 [0])))
>         (const_int 0 [0])))

Smells like rtl sharing.