[cfe-commits] Patch: Add warning for undefined reinterpret_cast behavior

[Argyrios Kyrtzidis]

You don't check whether the warning is turned off to skip the checks completely, something like

Diags.getDiagnosticLevel(diag::warn_pointer_indirection_from_incompatible_type, OpLoc) != Diagnostic::Ignored)


On Apr 28, 2011, at 7:16 PM, Richard Trieu wrote:

> Changes to support the white list in [basic.lval]p10.  There should be a corresponding test to each list item, except when those dealing with tag types since we are skipping them for now.
> 
> On Wed, Apr 27, 2011 at 6:11 PM, John McCall <rjmccall at apple.com> wrote:
> On Apr 27, 2011, at 6:07 PM, Richard Trieu wrote:
> > Is there a way that Clang can check if the warning is turned off and skip the expensive checking?
> 
> Yes, you can check whether the current mapping for the diagnostic is still "ignore".
> 
> > And did you mean the list in [basic.lval]p15?  [basic.lval]p10 doesn't have a list.
> 
> We're just looking at different standards. :)  C++11's [basic.lval]p10 is just minor wording differences from C++03's [basic.lval]p15.
> 
> John.
> 
> <undefined-reinterpret-cast3.patch>_______________________________________________
> cfe-commits mailing list
> cfe-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20110428/3bf4ebad/attachment.html>