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Submitted upstream as https://reviews.llvm.org/D53763.
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NFC to the library
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missing
When catopen is missing, do_open, do_get and do_close end up being
no-op, and as such their parameters will be unused which triggers a
warning/error when building with -Wunused-parameter.
Differential Revision: https://reviews.llvm.org/D56023
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This patch aims to help clang with better information so it can inline
__bit_reference count function usage for both std::biset. Current clang
inliner can not infer that the passed typed will be used only to select
the optimized variant, it evaluates the type argument and type check as
a load plus compare (although later optimization phases correctly
optimized this out).
It is mainly to help llvm inliner to generate better code for std::bitset
count for aarch64. It helps on both runtime and code size, since if inline
decides that _VSTD::count should not be inlined the vectorization will
create both aligned and unaligned variants (which add both code size and
runtime costs)
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as D56494
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Summary:
P0602R4 makes the special member functions of optional and variant
conditionally trivial based on the types in the optional/variant.
We already implemented that, but the tests were organized as if this
were a non-standard extension. This patch reorganizes the tests in a
way that makes more sense since this is not an extension anymore.
Reviewers: EricWF, mpark, mclow.lists
Subscribers: christof, jkorous, dexonsmith, libcxx-commits
Differential Revision: https://reviews.llvm.org/D54772
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Summary: The test wasn't using the testing infrastructure properly.
Reviewers: ldionne, mclow.lists, EricWF
Subscribers: christof, jkorous, dexonsmith, libcxx-commits
Differential Revision: https://reviews.llvm.org/D56519
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I have a big patch coming up, and this indirection is required to avoid hitting the following after my big change:
error: empty struct has size 0 in C, size 1 in C++ [-Werror,-Wextern-c-compat]
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There were 3 tests with 'int main(void)', and 6 with the return type on a different line. I'm about to send a patch for main in tests, and this NFC change is unrelated.
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This script can be used by CI systems to test things like availability
markup and binary compatibility on older MacOS versions. This is still
a bit rough on the edges, for example we don't test libc++abi yet.
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CI systems like Green Dragon should use this script so as to make
reproducing errors easy locally.
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AppleClang 10 has been fixed and so these tests don't fail anymore.
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Summary:
r306722 added diagnostics when aligned allocation is used with deployment
targets that do not support it, but the first macosx supporting aligned
allocation was incorrectly set to 10.13. In reality, the dylib shipped
with macosx10.13 does not support aligned allocation, but the dylib
shipped with macosx10.14 does.
Reviewers: ahatanak
Subscribers: christof, jkorous, dexonsmith, cfe-commits
Differential Revision: https://reviews.llvm.org/D56445
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This 'fixes' PR#38052 - std::fstream still good after closing and updating content.
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range with const-ness mismatch.
We already have a specialization that will use memcpy for construction
of trivial types from an iterator range like
std::vector<int>(int *, int *);
But if we have const-ness mismatch like
std::vector<int>(const int *, const int *);
we would use a slow path that copies each element individually. This change
enables the optimal specialization for const-ness mismatch. Fixes PR37574.
Contributions to the patch are made by Arthur O'Dwyer, Louis Dionne.
rdar://problem/40485845
Reviewers: mclow.lists, EricWF, ldionne, scanon
Reviewed By: ldionne
Subscribers: christof, ldionne, howard.hinnant, cfe-commits
Differential Revision: https://reviews.llvm.org/D48342
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the appropriate tests. No actual tests yet, so NFC.
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This is useful when static libc++ library is being linked into
shared libraries that may be used in combination with libraries.
We want to avoid we exporting libc++ symbols in those cases where
this option is useful. This is provided as a CMake option and can
be enabled by libc++ vendors as needed.
Differential Revision: https://reviews.llvm.org/D55404
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This patch changes <experimental/foo> to use #warning instead of
is harmful to common feature detection idioms.
We should also consider only emitting the warning when __DEPRECATED is
defined, like we do in the <ext/foo> headers. Users may want to specify
"-Werror=-W#warnings" while still ignoring the libc++ warnings.
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last_write_time(sym, new_time) changes the modification time of the file
referenced by the symlink. But reading through the symlink may change the
symlinks's access time.
This meant the previous test that checked that the symlinks access
time was unchanged was incorrect and made the test flaky.
This patch removes this test (there really is no non-flaky way
to test that the new access time coorisponds to the time at which
the symlink was last dereferenced). This should unflake the test.
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Requested by EricWF.
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Summary:
Tests marked with the flaky attribute ("FLAKY_TEST.")
can still report false positives in local tests and on the
NetBSD buildbot.
Additionally a number of tests (probably all threaded
ones) unmarked with the flaky attribute is flaky on
NetBSD.
An ideal solution on the libcxx side would be to raise
max retries for NetBSD and mark failing tests with
the flaky flag, however this adds more maintenance
burden and constant monitoring of flaky tests.
Reduce the work and handle flaky tests as more flaky
on NetBSD and allow flakiness of other tests on
NetBSD.
Reviewers: mgorny, EricWF
Reviewed By: mgorny
Subscribers: christof, llvm-commits, libcxx-commits
Differential Revision: https://reviews.llvm.org/D56064
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Summary:
We already have the negation of that as _LIBCPP_HAS_NONUNIQUE_TYPEINFO.
Having both defined is confusing, since only one of them is used.
Reviewers: EricWF, mclow.lists
Subscribers: christof, jkorous, dexonsmith, libcxx-commits
Differential Revision: https://reviews.llvm.org/D54537
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path("/dir/").lexically_relative("/dir"); now returns "." instead of ""
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This prevents things like:
using namespace std::filesystem;
auto x = L"a/b" == std::string("a/b");
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This patch adds std::chrono::file_clock, but without breaking the
existing ABI for std::filesystem.
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This patch implements path::compare according to the current spec. The
only observable change is the ordering of "/foo" and "foo", which orders
the two paths based on having or not having a root directory (instead
of lexically comparing "/" to "foo").
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Some tests assume that iteration through an unordered multimap elements
will return them in the same order as at the container creation. This
assumption is not true since the container is unordered, so that no
specific order of elements is ever guaranteed for such container. This
patch introduces checks verifying that any iteration will return elements
exactly from a set of valid values and without repetition, but in no
particular order.
Reviewed as https://reviews.llvm.org/D54838.
Thanks to Andrey Maksimov for the patch.
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Makes libc++ behavior consistent between C++03 and C++11.
Can use `decltype` in C++03 because `include/__config` defines a macro when
`decltype` is not available.
Reviewers: mclow.lists, EricWF, erik.pilkington, ldionne
Reviewed By: ldionne
Subscribers: dexonsmith, cfe-commits, howard.hinnant, ldionne, christof, jkorous, Quuxplusone
Differential Revision: https://reviews.llvm.org/D48753
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https://reviews.llvm.org/D55777. Thanks to Andrey Maksimov for the patch.
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cwchar.pass.cpp to avoid constructing a couple things from zero - since apparently they can be enums in some weird C library. NFC there, either, since the values were never used.
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That test doesn't fail anymore since r349378, since the assertions that
r349378 removed must have been bugs in the dylib at some point.
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I forgot that those don't behave like Clang trunk, again.
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This test was initially marked as XFAIL using `XFAIL: macosx10.YY`, and
was then moved to `UNSUPPORTED: macosx10.YY`. The intent is to mark the
test as XFAILing when a deployment target older than macosx10.14 is used,
and the right way to do this is `XFAIL: availability=macosx10.YY`.
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I just realized I had always been reading this wrong because of the lack
of indentation, so I'm re-indenting this properly.
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Add a target_info definition for NetBSD. The definition is based
on the one used by FreeBSD, with libcxxrt replaced by libc++abi,
and using llvm-libunwind since we need to use its unwinder
implementation to build anyway.
Additionally, XFAIL the 30 tests that fail because of non-implemented
locale features. According to the manual, NetBSD implements only
LC_CTYPE part of locale handling. However, there is a locale database
in the system and locale specifications are validated against it,
so it makes sense to list the common locales as supported.
If I'm counting correctly, this change enables additional 43 passing
tests.
Differential Revision: https://reviews.llvm.org/D55767
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Remove the two test cases for \xDA and \xFA with UTF-8 locale, as both
characters alone are invalid in UTF-8 (short sequences). Upon removing
them, the test passes on Linux again (and also on NetBSD, after adding
appropriate locale configuration).
Differential Revision: https://reviews.llvm.org/D55746
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