[PATCH] PR17337 - Retain previous linkage of friend function declarations

[Richard Smith]

On Tue, Sep 24, 2013 at 3:00 AM, Alp Toker <alp at nuanti.com> wrote:

> The previous language linkage needs to be retained as described in
> [class.friend]p3 otherwise valid friend redeclarations differing only in
> lexical linkage are rejected.
>

[class.friend]p3 says the previous linkage (internal/external/no linkage)
is retained, not the previous language linkage. Our current behavior
appears to be correct here.


> Fixes PR17337.
>
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