[fpc-pascal] Efficient String concatenation

[Sven Barth]

Am 30.10.2013 12:59, schrieb John Lee:
> jonas wrote
> '
> It may indeed be possible to handle this in the compiler.
>
> > What about llvm - (coming soon to fpc apparently) - would that fix it?
>
> Not in the least. "soon" is also a gross overstatement.
> '
> What's the size/difficulty of compiler spotting this? Suppose it needs 
> to be able to 'look ahead' by few statements  - which I'd thought it 
> does already to some extent.
It's not about parsing. The code will be parsed the same nevertheless.

It would be a optimization on the resulting node tree however after the 
function was parsed and before the code is generated.

Regards,
Sven
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