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[bearophile]

Denis Koroskin:
> Is this really an error?

I think so.


> "for" body creates a new scope and alloca'ted  
> memory is automatically released once you leave the block.

I think that's not true:

http://www.archive.geschichte.mpg.de/doc/susehilf/gnu/libc/Variable_Size_Automatic.html
>but all the blocks are freed when you exit the function that alloca was called from,<

In that code if you remove the "const" the program works, giving two different addresses.

Bye,
bearophile