[fpc-devel] What means -Oodfa ?

Florian Klaempfl florian at freepascal.org
Sun Mar 22 16:55:13 CET 2015

Am 22.03.2015 um 15:53 schrieb Juha Manninen:
> There are some false positive warnings.

Trunk or fixes?

> For example this construct can be found in Lazarus IDE code frequently.
>  function IDEDirectiveNameToDirective(const DirectiveName: string):
> TIDEDirective;
>  begin
>    for Result:=Low(TIDEDirective) to High(TIDEDirective) do
>      if CompareText(IDEDirectiveNames[Result],DirectiveName)=0 then exit;
>    Result:=idedNone;
>  end;
> Compiled with -Oodfa gives :
>  buildfiledlg.pas(406,44) Warning: Function result variable does not
> seem to initialized
> which is wrong.
> There are also thousands of hints about variable "$self" that make no
> sense to me, like :
>  initialsetupdlgs.pas(563,27) Hint: Variable "$self" does not seem to
> be initialized
> How does the compiler come to that conclusion?

This should be fixed in trunk.

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