[Issue 9289] [Regression 2.061] Had been deprecated language features are enabled again in default

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9289



--- Comment #24 from Leandro Lucarella <leandro.lucarella at sociomantic.com> 2013-02-26 03:38:50 PST ---
Woops! I wanted to commit only the title change...

(In reply to comment #22)
> Such code might, or might not be a use of a deprecated feature. There is no way
> to tell. The patch moves it from "assume it's never a deprecated feature" to
> "assume it's always a deprecated feature".
> Effectively, you're changing an accepts-invalid bug to a rejects-valid bug.
> It's not an improvement.

Again, agreed.

> Here's what I think should happen:
> 
> -dXX should give a warning (not an error, not silence), whenever a deprecated
> feature is used when errors are gagged.

You're talking about a new flag I guess...

> In other cases, the existing behaviour (silence) should be preserved.

Only when gagged I assume.

> Basically I think that with any form of -d option, deprecated features should
> never compile without generating a warning (even when errors are gagged).

Except for plain -d I guess. That's the original meaning of -d, silence
everything.

> When -d is not used, it should be as if those features don't exist -- there should
> be no difference between something that is deprecated, vs any other sort of
> error.

Only when errors are gagged I guess. Otherwise is going back to where we
started.

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