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Jonathan Wakely 33237e93d5 libstdc++: Deprecate std::filesystem::u8path for C++20

P0482R6 deprecated these functions for C++20. There was a ballot comment
on the C++23 CD saying to un-deprecate it, but LEWG just rejected that,
so let's add attributes to deprecate them.

libstdc++-v3/ChangeLog:

	* include/bits/fs_path.h (u8path): Add deprecated attribute.
	* testsuite/27_io/filesystem/path/construct/90281.cc: Add
	-Wno-deprecated-declarations for C++20 and later.
	* testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc:
	Likewise.
	* testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise.
	* testsuite/27_io/filesystem/path/native/string.cc: Likewise.
	* testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test.

2023-01-18 21:47:58 +00:00

backward

Update copyright years.

2023-01-16 11:52:17 +01:00

bits

libstdc++: Deprecate std::filesystem::u8path for C++20

2023-01-18 21:47:58 +00:00

Update copyright years.

2023-01-16 11:52:17 +01:00

c_compatibility

Update copyright years.

2023-01-16 11:52:17 +01:00