[PATCH] Fix missing or incorrect feature test macros

[Jonathan Wakely]

On 15/01/19 12:01 +0000, Jonathan Wakely wrote:
>	* doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
>	status.
>	* include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
>	Define.
>	* include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
>	changes are supported.
>	* include/std/optional (__cpp_lib_optional): Likewise.
>	* include/std/variant (__cpp_lib_variant): Likewise.
>	* include/std/version [!__STRICT_ANSI__]
>	(__cpp_lib_uncaught_exceptions): Define as long integer.
>	[__cplusplus >= 201703L] (__cpp_lib_any)
>	(__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
>	(__cpp_lib_variant): Define for C++17.
>	[__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
>	as long integer.
>	* libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
>	integer.

Some more found by Jakub. Everything in <version> should be consistent
with the rest of the library headers now, for all -std modes.

Tested powerpc64le-linux, committed to trunk.


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