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[PATCH] Fix std::filesystem::absolute for empty paths

From: Jonathan Wakely <jwakely at redhat dot com>
To: libstdc++ at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Mon, 21 May 2018 13:52:23 +0100
Subject: [PATCH] Fix std::filesystem::absolute for empty paths

	* src/filesystem/std-ops.cc (absolute): Report an error for empty
	paths.
	(weakly_canonical(const path&)): Do not call canonical on empty path.
	(weakly_canonical(const path&, error_code&)): Likewise.
	* testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.

Tested powerpcle-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

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