Re: [v3] libstdc++/17922

[Jonathan Wakely <cow at compsoc dot man dot ac dot uk>]

On Tue, Nov 02, 2004 at 05:51:32PM +0100, Paolo Carlini wrote:

> No, no, you see clearly everything (as the last entry in the audit trail 
> shows ;): I was referring to the problem we have with 
> _S_ios_openmode_end & co, which the user does *not* know and should 
> *not* trigger a warning if missing from the switch... This is a warning 
> regression basically, but unfortunately (to "answer" your question is 
> the audit trail) I do *not* have any bright idea to fix it within the 
> current ABI... :-(

Compiler magic?

Could the "unused" attribute be used to say that some enums are only
used as placeholders and shouldn't raise a warning if not handled in a
switch?

jon

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