[Bug target/77847] PowerPC big endian power7/power8 do not bootstrap due to fall through error

[kelvin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77847

kelvin at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from kelvin at gcc dot gnu.org ---
Committed obvious/trivial changes as pre-approved by Segher.