[cfe-dev] Where to implement __is_convertible_to?

[Sebastian Redl]

On Sep 6, 2010, at 8:28 PM, Steven Watanabe wrote:

> AMDG
> 
>  VC++ has an intrinsic __is_convertible_to.  I've started
> implementing it, but here's the problem:  The existing
> type traits are implemented in ExprCXX.cpp, and are
> passed an ASTContext only.  However, the only way that
> I see to implement this trait (using InitializationSequence)
> requires a Sema which is not available in the places where
> EvaluateTrait is called from.  Any ideas?

Only place I can see where this is possible is when creating the AST node.

Sebastian