[TYPO3-core] RFC #11410: Speed up BEgetRootLine by reusing parts of the rootline from the cache

[Rupert Germann]

Xavier Perseguers schrieb:
...
> This is typically an optimization which does nothing in _our_ real life. 
> I used to do those stuff too when I was still at school but there is 
> many more to optimize in TYPO3 before _needing_ those optimizations. 
> Those optimization do nothing but make the code trickier to understand.

fast code does not necessarily look nice ;-)

but you're right: there's no measurable difference between --$c and $c-- 
(in this case) so I'm fine with reverting it.

greets
rupert