[fpc-devel] BOOL

Michael Van Canneyt michael at freepascal.org
Sun Dec 14 20:25:18 CET 2014

On Sun, 14 Dec 2014, Florian Klämpfl wrote:

> Am 14.12.2014 um 18:05 schrieb Adriaan van Os:
>>> IMHO using the for loop on a non pascal boolean type is simply wrong. At the
>>> very least the assumption that the false and true are successive, and maybe
>>> even using BOOL as loopvar in the first place.
>> The compiler accepts it.
> Can somebody with access to delphi please check, if it compiles
> var
>  b : bytebool;
> begin
>  for b:=false to true do
>    ;
> end.

D7 and Delphi XE5 compile it but do not generate code, instead say:
'FOR or WHILE loop executes zero times - deleted
variable b is declared but never used in ...

When declared as boolean, it does generate code.
(as I would expect)


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