[v3] libstdc++/17922

Jonathan Wakely cow@compsoc.man.ac.uk
Tue Nov 2 17:11:00 GMT 2004


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

-- 
"The effort to understand the universe is one of the very few things that 
 lifts human life a little above the level of farce and gives it some of
 the grace of tragedy."
	- Steven Weinberg



More information about the Libstdc++ mailing list