Jonathan Wakely 441ed45ca2 PR libstdc++/90634 reduce allocations in filesystem::path construction
PR libstdc++/90634
	* include/experimental/bits/fs_path.h (path::path(path&&)): Only call
	_M_split_cmpts() for a path with multiple components.
	(path::_S_is_dir_sep()): Add missing 'static' keyword to function.
	* src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
	components and reserve space in vector. Return early when there is
	only one component.
	* testsuite/27_io/filesystem/path/construct/90634.cc: New test.
	* testsuite/experimental/filesystem/path/construct/90634.cc: New test.

From-SVN: r271717
2019-05-28 20:39:48 +01:00
2019-05-11 20:19:31 +00:00
2019-05-28 17:04:12 +00:00
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