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Re: [RFC] PR c++/43206

On Tue, Mar 23, 2010 at 11:57:59AM -0400, Jason Merrill wrote:
> I'm uncomfortable setting DECL_CONTEXT to an invalid value, even
> temporarily.  Can we just assume in
> get_template_parms_of_dependent_type that the parm is part of
> current_template_parms if it doesn't have DECL_CONTEXT set?

Consider:

template<class T0, T1>
struct S
{
    template<class U>
    T1 //#0
    foo(T0, T1);
};

template<class T0, T1> template<class U>
T1 //#2
S<T0, T1>::foo(T0, T1);

using the current_template_parms variable makes T1#0 and T1#1 compare 
different.

        Dodji
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