[gcc r11-11051] Daily bump.

[gcc r11-11051] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:001bbe581a54f4b0707f14c74425eae4481ffbf5

commit r11-11051-g001bbe581a54f4b0707f14c74425eae4481ffbf5
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Oct 5 00:20:16 2023 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |   2 +-
 libstdc++-v3/ChangeLog | 270 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 271 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 32b8a8b6912..4d6ec801611 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20231004
+20231005
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index fa2d9e3c93b..f47e1753100 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,273 @@
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/20_util/integer_comparisons/greater_equal_neg.cc:
+	Add -O2 to dg-options.
+	* testsuite/20_util/integer_comparisons/greater_neg.cc:
+	Likewise.
+	* testsuite/20_util/integer_comparisons/less_equal_neg.cc:
+	Likewise.
+	* testsuite/lib/prune.exp: Prune 'in constexpr expansion'.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-02-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/27_io/filesystem/iterators/97731.cc: New test.
+	* testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
+	Check follow_directory_symlink option.
+	* testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc:
+	Likewise.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/108178
+	* src/filesystem/ops-common.h (do_copy_file): Check for empty
+	files by trying to read a character.
+	* testsuite/27_io/filesystem/operations/copy_file_108178.cc:
+	New test.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-06-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
+	close-on-exec flag on file descriptors.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-03-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
+	formatting.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-02-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/filesystem/ops-common.h [AVR] (__unsupported): Always use
+	errc::function_not_supported instead of errc::not_supported.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-06-28  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++17/fs_dir.cc (_Dir::_Dir) [!_GLIBCXX_HAVE_OPENAT]:
+	Always store pathname if we don't have openat or unlinkat,
+	because the full path is needed to open sub-directories and
+	remove entries.
+
+2023-10-04  Alexandre Oliva  <oliva@adacore.com>
+
+	Backported from master:
+	2022-06-27  Alexandre Oliva  <oliva@adacore.com>
+
+	* src/c++17/fs_dir.cc (dir_and_pathname): Use dirfd if
+	_GLIBCXX_HAVE_OPENAT.
+
+2023-10-04  Alexandre Oliva  <oliva@adacore.com>
+
+	Backported from master:
+	2022-06-24  Alexandre Oliva  <oliva@adacore.com>
+
+	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for
+	openat.
+	* configure, config.h.in: Rebuilt.
+	* src/filesystem/dir-common.h (openat): Use ::openat if
+	_GLIBCXX_HAVE_OPENAT.
+	* src/filesystem/dir.cc (dir_and_pathname): Use dirfd if
+	_GLIBCXX_HAVE_OPENAT.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-02-10  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/filesystem/dir-common.h (_GLIBCXX_HAVE_DIRFD): Undefine
+	when <dirent.h> is not available.
+	(_GLIBCXX_HAVE_UNLINKAT):  Likewise.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-02-08  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++17/fs_dir.cc (_Dir(DIR*, const path&)): Change first
+	parameter to _Dir_base&&.
+	* src/filesystem/dir-common.h (_Dir_base(DIR*)): Remove.
+	* src/filesystem/dir.cc (_Dir(DIR*, const path&)): Change first
+	parameter to _Dir_base&&.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-02-08  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/104161
+	* src/c++17/fs_dir.cc (fs::recursive_directory_iterator::__erase):
+	[i_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Refresh entry._M_type member,
+	instead of checking for errno values indicating a directory.
+	* src/c++17/fs_ops.cc (fs::remove_all(const path&)): Use similar
+	logic to non-throwing overload.
+	(fs::remove_all(const path&, error_code&)): Add comments.
+	* src/filesystem/ops-common.h: Likewise.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-02-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/filesystem/dir-common.h (_Dir_base::openat): Change return
+	type to use portable posix::DIR alias.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-02-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/104161
+	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for dirfd
+	and unlinkat.
+	* config.h.in: Regenerate.
+	* configure: Regenerate.
+	* include/bits/fs_dir.h (recursive_directory_iterator): Declare
+	remove_all overloads as friends.
+	(recursive_directory_iterator::__erase): Declare new member
+	function.
+	* include/bits/fs_fwd.h (remove, remove_all): Declare.
+	* src/c++17/fs_dir.cc (_Dir): Add filename_only parameter to
+	constructor. Pass file descriptor argument to base constructor.
+	(_Dir::dir_and_pathname, _Dir::open_subdir, _Dir::do_unlink)
+	(_Dir::unlink, _Dir::rmdir): Define new member functions.
+	(directory_iterator): Pass filename_only argument to _Dir
+	constructor.
+	(recursive_directory_iterator::_Dir_stack): Adjust constructor
+	parameters to take a _Dir rvalue instead of creating one.
+	(_Dir_stack::orig): Add data member for storing original path.
+	(_Dir_stack::report_error): Define new member function.
+	(__directory_iterator_nofollow): Move here from dir-common.h and
+	fix value to be a power of two.
+	(__directory_iterator_filename_only): Define new constant.
+	(recursive_directory_iterator): Construct _Dir object and move
+	into _M_dirs stack. Pass skip_permission_denied argument to first
+	advance call.
+	(recursive_directory_iterator::increment): Use _Dir::open_subdir.
+	(recursive_directory_iterator::__erase): Define new member
+	function.
+	* src/c++17/fs_ops.cc (ErrorReporter, do_remove_all): Remove.
+	(fs::remove_all): Use new recursive_directory_iterator::__erase
+	member function.
+	* src/filesystem/dir-common.h (_Dir_base): Add int parameter to
+	constructor and use openat to implement nofollow semantics.
+	(_Dir_base::fdcwd, _Dir_base::set_close_on_exec, _Dir_base::openat):
+	Define new member functions.
+	(__directory_iterator_nofollow): Move to fs_dir.cc.
+	* src/filesystem/dir.cc (_Dir): Pass file descriptor argument to
+	base constructor.
+	(_Dir::dir_and_pathname, _Dir::open_subdir): Define new member
+	functions.
+	(recursive_directory_iterator::_Dir_stack): Adjust constructor
+	parameters to take a _Dir rvalue instead of creating one.
+	(recursive_directory_iterator): Check for new nofollow option.
+	Construct _Dir object and move into _M_dirs stack. Pass
+	skip_permission_denied argument to first advance call.
+	(recursive_directory_iterator::increment): Use _Dir::open_subdir.
+	* src/filesystem/ops.cc (fs::remove_all): Use C++17 remove_all.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-01-25  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/104161
+	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for
+	fdopendir.
+	* config.h.in: Regenerate.
+	* configure: Regenerate.
+	* src/c++17/fs_dir.cc (_Dir): Add nofollow flag to constructor
+	and pass it to base class constructor.
+	(directory_iterator): Pass nofollow flag to _Dir constructor.
+	(fs::recursive_directory_iterator::increment): Likewise.
+	* src/c++17/fs_ops.cc (do_remove_all): Use nofollow option for
+	directory_iterator constructor. Move error check outside loop.
+	* src/filesystem/dir-common.h (_Dir_base): Add nofollow flag to
+	constructor and when it's set use ::open with O_NOFOLLOW and
+	O_DIRECTORY.
+	* src/filesystem/dir.cc (_Dir): Add nofollow flag to constructor
+	and pass it to base class constructor.
+	(directory_iterator): Pass nofollow flag to _Dir constructor.
+	(fs::recursive_directory_iterator::increment): Likewise.
+	* src/filesystem/ops.cc (remove_all): Use nofollow option for
+	directory_iterator constructor. Move error check outside loop.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-10-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++17/fs_ops.cc (create_directory): Fix typo in enum name.
+	* src/filesystem/ops-common.h (__last_system_error): Add
+	explicit cast to avoid narrowing conversion.
+	(do_space): Fix type in function name.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-10-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/99327
+	* src/filesystem/ops-common.h (__unsupported): New function to
+	return a suitable error code for missing functionality.
+	(posix::off_t): New typedef.
+	(posix::*): Set errno to ENOSYS instead of ENOTSUP for no-op
+	fallback implementations.
+	(do_copy_file): Replace uses of errc::not_supported.
+	* src/c++17/fs_ops.cc (fs::copy, fs::copy_file, create_dir)
+	(fs::create_directory, fs::create_directory_symlink)
+	(fs::create_hard_link, fs::create_symlink, fs::current_path)
+	(fs::equivalent, do_stat, fs::file_size, fs::hard_link_count)
+	(fs::last_write_time, fs::permissions, fs::read_symlink):
+	Replace uses of errc::not_supported.
+	(fs::resize_file): Qualify off_t.
+	* src/filesystem/ops.cc (fs::copy, fs::copy_file, create_dir)
+	(fs::create_directory, fs::create_directory_symlink)
+	(fs::create_hard_link, fs::create_symlink, fs::current_path)
+	(fs::equivalent, do_stat, fs::file_size, fs::last_write_time)
+	(fs::permissions, fs::read_symlink, fs::system_complete):
+	Replace uses of errc::not_supported.
+	(fs::resize_file): Qualify off_t and enable unconditionally.
+	* testsuite/19_diagnostics/system_error/cons-1.cc: Likewise.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-10-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/filesystem/ops-common.h (last_error): New helper function.
+	(filesystem::do_space): Use last_error().
+	* src/c++17/fs_ops.cc (fs::absolute, fs::create_hard_link)
+	(fs::equivalent, fs::remove, fs::temp_directory_path): Use
+	last_error().
+	* src/filesystem/ops.cc (fs::create_hard_link)
+	(fs::remove, fs::temp_directory_path): Likewise.
+
+2023-10-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Revert:
+	2023-03-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++17/fs_ops.cc [AVR] (not_supported): Define as a macro
+	for function_not_supported.
+	* src/filesystem/ops-common.h [AVR] (ENOTSUP): Define as a macro
+	for ENOSYS.
+
 2023-10-02  Tim Song  <t.canens.cpp@gmail.com>
 
 	Backported from master: