[Bug target/78642] [7 regression] ICE: invalid rtl sharing found in the insn on sparc

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78642

--- Comment #9 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
It's apparently the bbro pass.  Fixing.