[cfe-dev] proposal: every warning should have a -W flag

[Ted Kremenek]

On Aug 10, 2011, at 3:32 PM, Chandler Carruth wrote:

> I love this. It's been unwritten policy for the warnings we're adding, and I think it'd be good to do it generally.
> 
> I'll particularly like that we can test and ensure that new warnings are always given a flag. =] Hopefully we can help move some of the warnings under flags that aren't yet.
> 
> 

Okay, the consensus is we should do this.  We can haggle out the naming of -W flags we go forward.

I've added the diagtool test that enforces that all new warnings require a flag:

http://llvm.org/viewvc/llvm-project?view=rev&revision=137369
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