[PATCH] PR17337: Retained language linkage

Alp Toker alp at nuanti.com
Tue Oct 22 15:57:51 PDT 2013

Landed in r193206.

On 22/10/2013 18:46, Alp Toker wrote:
> Hello Richard,
> With this patch, friend function declarations will retain the language
> linkage specified for previous declarations instead of emitting an error
> diagnostic.
> The feature is known to be compatible with GCC and MSVC and permits a
> language to be specified indirectly where it cannot otherwise be written
> directly in class scope.
> Further to the previous patch, this feature is now a clang extension so
> warnings can be enabled/disabled with a -Wretained-language-linkage flag
> while we seek clarifications to the language standard. Tests have been
> moved to SemaCXX/linkage-spec.cpp.
> Alp.

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