[Bug libstdc++/96484] Horrible performance of std::read_symlink

2020-08-06 Thread redi at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96484

Jonathan Wakely  changed:

   What|Removed |Added

   Target Milestone|--- |8.5
 Resolution|--- |FIXED
 Status|ASSIGNED|RESOLVED

--- Comment #6 from Jonathan Wakely  ---
Fixed for 8.5, 9.4, 10.3 and 11.

[Bug libstdc++/96484] Horrible performance of std::read_symlink

2020-08-06 Thread cvs-commit at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96484

--- Comment #5 from CVS Commits  ---
The releases/gcc-8 branch has been updated by Jonathan Wakely
:

https://gcc.gnu.org/g:8b692f8b4c0e47bc8e11d9c3ab83049f68b2edbc

commit r8-10390-g8b692f8b4c0e47bc8e11d9c3ab83049f68b2edbc
Author: Jonathan Wakely 
Date:   Thu Aug 6 18:44:50 2020 +0100

libstdc++: Fix unnecessary allocations in read_symlink [PR 96484]

libstdc++-v3/ChangeLog:

PR libstdc++/96484
* src/filesystem/ops.cc (fs::read_symlink): Return an error
immediately for non-symlinks.
* src/filesystem/std-ops.cc (fs::read_symlink): Likewise.

(cherry picked from commit 6a13a4e3f29fc4ce5eff96d74ba965c9fdc02184)

[Bug libstdc++/96484] Horrible performance of std::read_symlink

2020-08-06 Thread cvs-commit at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96484

--- Comment #4 from CVS Commits  ---
The releases/gcc-9 branch has been updated by Jonathan Wakely
:

https://gcc.gnu.org/g:f86f80dbccece356fa5ca7e1fd4dc581cc6a1cc4

commit r9-8787-gf86f80dbccece356fa5ca7e1fd4dc581cc6a1cc4
Author: Jonathan Wakely 
Date:   Thu Aug 6 18:44:50 2020 +0100

libstdc++: Fix unnecessary allocations in read_symlink [PR 96484]

libstdc++-v3/ChangeLog:

PR libstdc++/96484
* src/c++17/fs_ops.cc (fs::read_symlink): Return an error
immediately for non-symlinks.
* src/filesystem/ops.cc (fs::read_symlink): Likewise.

(cherry picked from commit 6a13a4e3f29fc4ce5eff96d74ba965c9fdc02184)

[Bug libstdc++/96484] Horrible performance of std::read_symlink

2020-08-06 Thread cvs-commit at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96484

--- Comment #3 from CVS Commits  ---
The releases/gcc-10 branch has been updated by Jonathan Wakely
:

https://gcc.gnu.org/g:8b7e7fcb5fff8255122a8fa94109f7ae05aeaa81

commit r10-8581-g8b7e7fcb5fff8255122a8fa94109f7ae05aeaa81
Author: Jonathan Wakely 
Date:   Thu Aug 6 18:44:50 2020 +0100

libstdc++: Fix unnecessary allocations in read_symlink [PR 96484]

libstdc++-v3/ChangeLog:

PR libstdc++/96484
* src/c++17/fs_ops.cc (fs::read_symlink): Return an error
immediately for non-symlinks.
* src/filesystem/ops.cc (fs::read_symlink): Likewise.

(cherry picked from commit 6a13a4e3f29fc4ce5eff96d74ba965c9fdc02184)

[Bug libstdc++/96484] Horrible performance of std::read_symlink

2020-08-06 Thread cvs-commit at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96484

--- Comment #2 from CVS Commits  ---
The master branch has been updated by Jonathan Wakely :

https://gcc.gnu.org/g:6a13a4e3f29fc4ce5eff96d74ba965c9fdc02184

commit r11-2597-g6a13a4e3f29fc4ce5eff96d74ba965c9fdc02184
Author: Jonathan Wakely 
Date:   Thu Aug 6 18:44:50 2020 +0100

libstdc++: Fix unnecessary allocations in read_symlink [PR 96484]

libstdc++-v3/ChangeLog:

PR libstdc++/96484
* src/c++17/fs_ops.cc (fs::read_symlink): Return an error
immediately for non-symlinks.
* src/filesystem/ops.cc (fs::read_symlink): Likewise.

[Bug libstdc++/96484] Horrible performance of std::read_symlink

2020-08-05 Thread terra at gnome dot org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96484

--- Comment #1 from M Welinder  ---
I should note that not only does it allocate 500M, it also zeroes it.

[Bug libstdc++/96484] Horrible performance of std::read_symlink

2020-08-05 Thread redi at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96484

Jonathan Wakely  changed:

   What|Removed |Added

   Assignee|unassigned at gcc dot gnu.org  |redi at gcc dot gnu.org
 Status|UNCONFIRMED |ASSIGNED
 Ever confirmed|0   |1
   Last reconfirmed||2020-08-05