C++ PATCH for c++/50870 (ICE with -> X::Y in a template default argument)

[Paolo Carlini]

On 11/07/2011 11:49 PM, Jason Merrill wrote:
> Dodji's work on template parameter lists of different lengths exposed 
> a problem whereby we weren't handling partial instantiation of a 
> COMPONENT_REF where the member is a SCOPE_REF.  Fixed by not messing 
> with it when the object is still dependent.
>
> Tested x86_64-pc-linux-gnu, applying to trunk.

Thanks. This also implies that we don't ICE anymore on c++/50864, we 
just accept it, as uninstiantiated template. I guess being able to 
reject it early at parsing time would still be a good idea, in general.

Paolo.