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Subject: [Bug libstdc++/101510] std::filesystem::create_directory  on an
 existing symlink to a directory
Date: Wed, 11 Aug 2021 15:42:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101510

--- Comment #19 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:bde28c60c70079416dd2181f882c0694e019eaef

commit r11-8850-gbde28c60c70079416dd2181f882c0694e019eaef
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Jul 20 18:15:48 2021 +0100

    libstdc++: Fix create_directories to resolve symlinks [PR101510]

    When filesystem__create_directories checks to see if the path already
    exists and resolves to a directory, it uses filesystem::symlink_status,
    which means it reports an error if the path is a symlink. It should use
    filesystem::status, so that the target directory is detected, and no
    error is reported.

    Signed-off-by: Jonathan Wakely <jwakely@redhat.com>

    libstdc++-v3/ChangeLog:

            PR libstdc++/101510
            * src/c++17/fs_ops.cc (fs::create_directories): Use status
            instead of symlink_status.
            * src/filesystem/ops.cc (fs::create_directories): Likewise.
            * testsuite/27_io/filesystem/operations/create_directories.cc:
            Check symlink to existing directory.
            * testsuite/27_io/filesystem/operations/create_directory.cc: Do
            not test with symlinks on Windows.
            *
testsuite/experimental/filesystem/operations/create_directories.cc:
            Check symlink to existing directory.
            * testsuite/experimental/filesystem/operations/create_directory=
.cc:
            Do not test with symlinks on Windows.

    (cherry picked from commit 124eaa50e0a34f5f89572c1aa812c50979da58fc)=