[libcxx] r292830 - Fix GCC C++03 build by hiding default template argument in C++03

[Eric Fiselier via cfe-commits]

This patch should be merge into the 4.0 branch.

It fixes a bug introduced to the 4.0 branch in r292354 (
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216054).

/Eric

On Mon, Jan 23, 2017 at 2:24 PM, Eric Fiselier via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

> Author: ericwf
> Date: Mon Jan 23 15:24:58 2017
> New Revision: 292830
>
> URL: http://llvm.org/viewvc/llvm-project?rev=292830&view=rev
> Log:
> Fix GCC C++03 build by hiding default template argument in C++03
>
> Modified:
>     libcxx/trunk/include/string
>
> Modified: libcxx/trunk/include/string
> URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/
> string?rev=292830&r1=292829&r2=292830&view=diff
> ============================================================
> ==================
> --- libcxx/trunk/include/string (original)
> +++ libcxx/trunk/include/string Mon Jan 23 15:24:58 2017
> @@ -818,7 +818,10 @@ public:
>      operator __self_view() const _NOEXCEPT { return __self_view(data(),
> size()); }
>
>      basic_string& operator=(const basic_string& __str);
> +
> +#ifndef _LIBCPP_CXX03_LANG
>      template <class = void>
> +#endif
>      _LIBCPP_INLINE_VISIBILITY
>      basic_string& operator=(__self_view __sv)  {return assign(__sv);}
>  #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
>
>
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