On Apr 20, 2011, at 12:54 PM, Richard Trieu wrote:

> Thanks for the comments, Doug.  I'll look into making the changes, just one 
> quick question.
> 
> There are two issues here. The first is that Expr::isIntegerConstantExpr() 
> isn't safe for type- or value-dependent expressions, so we now crash on this 
> ill-formed code:
>  
> Why does Clang crash here instead of returning false?  I didn't see a reason 
> listed in the source why it crashes or why Expr::isIntegerConstantExpr() 
> isn't safe for type- or value-dependent expressions.


Well, we should probably have an assert there, but the design is deliberate: 
code should not even ask the question about whether it's a constant expression 
if the expression is type- or value-dependent. It indicates a bug in the caller.

        - Doug
_______________________________________________
cfe-commits mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits

Reply via email to