Fixes warnings (or errors, if someone injects -Werror in their build system,
which happens in fact with some folks vendoring LLVM too) with Clang 16:
```
+/var/tmp/portage.notmp/portage/sys-devel/llvm-15.0.4/work/llvm_build-abi_x86_64.amd64/CMakeFiles/CMakeTmp/src.c:3:9: warning: a function declaration without a prototype
is deprecated in all versions of C [-Wstrict-prototypes]
-/var/tmp/portage.notmp/portage/sys-devel/llvm-14.0.4/work/llvm_build-abi_x86_64.amd64/CMakeFiles/CMakeTmp/src.c:3:9: error: a function declaration without a prototype is
deprecated in all versions of C [-Werror,-Wstrict-prototypes]
int main() {return 0;}
^
void
```
Differential Revision: https://reviews.llvm.org/D137503
This mirrors what we have done in the classic algorithms
Reviewed By: ldionne, #libc
Spies: libcxx-commits
Differential Revision: https://reviews.llvm.org/D137186
This removes a lot of boilerplate.
Reviewed By: ldionne, #libc, EricWF
Spies: EricWF, libcxx-commits
Differential Revision: https://reviews.llvm.org/D137025
This target (as well as 32-bit ARM Android) have sizeof(long double)
equal to sizeof(double).
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D137135
Mark tests XFAIL that use APIs that are unsupported on old versions of
Android:
- aligned_alloc isn't available until API 28.
- timespec_get isn't available until API 29.
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D137134
This doesn't affect our ABI because `std::string::substr()` isn't in the dylib and the mangling of `substr() const` and `substr() const&` are different.
Reviewed By: ldionne, Mordante, var-const, avogelsgesang, #libc
Spies: arphaman, huixie90, libcxx-commits
Differential Revision: https://reviews.llvm.org/D131668
This makes the tests more minimal, and in particular it avoids relying on a complete `<cstdlib>`, which may not be available on all platforms.
Differential Revision: https://reviews.llvm.org/D137188
Makes sure headers having a xxx_result as return type export the proper
header. Without exporting these modularized headers are not self
contained.
This is related to D136045.
Reviewed By: #libc, ldionne
Differential Revision: https://reviews.llvm.org/D136711
Claim some tasks for formatting and mark some parts as complete, which
was missed in the commits completing the task.
Reviewed By: #libc, ldionne
Differential Revision: https://reviews.llvm.org/D137014
No code changes, but only increased the range in the tests.
Completes:
- LWG3273. Specify weekday_indexed to range of [0, 7]
Reviewed By: #libc, ldionne
Differential Revision: https://reviews.llvm.org/D137015
This commit deprecates <experimental/memory_resource> since we now ship the non-experimental
version of it. Per the libc++ policy [1], we are deprecating the experimental feature in
upcoming LLVM 16 and will remove it entirely in LLVM 18.
[1]: https://libcxx.llvm.org/DesignDocs/ExperimentalFeatures.html#id4
Reviewed By: ldionne, #libc
Spies: EricWF, libcxx-commits
Differential Revision: https://reviews.llvm.org/D136245
This avoids emitting the VTable of `pmr::memory_resource` in every TU.
Reviewed By: ldionne
Spies: EricWF, nemanjai, libcxx-commits
Differential Revision: https://reviews.llvm.org/D136196
This allows the compiler to do more optimizations.
Reviewed By: ldionne, #libc
Spies: libcxx-commits, krytarowski
Differential Revision: https://reviews.llvm.org/D136191
We currently define the preferred names in multiple places. `basic_string` and `basic_string_view` also have a lot of aliases, which makes the declarations quite long. So let's only add the preferred names in forward-declaring headers to make the implementation more readable and have all the preferred names in one place.
Reviewed By: ldionne
Spies: EricWF, krytarowski, libcxx-commits
Differential Revision: https://reviews.llvm.org/D135824
This test checks progress on P0533R9 (https://wg21.link/p0533r9).
Whenever a desired function becomes constexpr, the programmer won't forget
to switch `ASSERT_NOT_CONSTEXPR_CXX23` to `ASSERT_CONSTEXPR_CXX23` and
eventually to change the paper's implementation status. The test also works
as a reference list of unimplemented functions.
Reviewed By: philnik, #libc
Differential Revision: https://reviews.llvm.org/D136538
This permits using the <locale> header with newlib or picolibc when
LIBCXX_ENABLE_WIDE_CHARACTERS=FALSE.
Since D136682 the __support/xlocale headers themselves include the
headers they require, respecting the LIBCXX_ENABLE_WIDE_CHARACTERS
option.
Differential Revision: https://reviews.llvm.org/D136947
Replace the two-level implementation with a simpler one that directly subclasses
the predicates, avoiding the instantiation of the template to get the `type`
member in a situation where we should short-circuit. This prevents incorrect
diagnostics when the instantiated predicate contains a static assertion.
Add a test case that reproduced the previous problem. The existing test case
involving `HasNoValue` didn't catch the problem because `HasNoValue` was in the
final position. The bug comes up when the predicate that shouldn't be
instantiated is after the short-circuit position but there is more to follow,
because then `__conjunction_impl<False, BadPredicate, ...>` instantiates
`__conjunction_impl<BadPredicate, ...>` (in order to obtain its `type` member),
which in turn instantiates `BadPredicate` in order to obtain its `value` member.
In contrast the new implementation doesn't recurse in instantiation any further
than it needs to, because it doesn't require particular members of the recursive
case.
I've also updated the test cases for `std::disjunction` to match,
although it doesn't have the same particular bug (its implementation is
quite different).
Fixes#58490.
Reviewed By: #libc, ldionne, philnik
Spies: philnik, ldionne, libcxx-commits
Differential Revision: https://reviews.llvm.org/D136318
In the second leg of the CI the steps take about:
- C++2b 10m
- C++11 8m
- C++03 6m
- Modular build 10m
- GCC 12 / C++latest 20m
So the slowest job is scheduled last. The CI will wait to start the
third leg until that job is done. The current order increases the
latency of the current job, instead start the slow jobs earlier.
Reviewed By: #libc, ldionne
Differential Revision: https://reviews.llvm.org/D136276
We've said that we'll remove `std::function` from C++03 in LLVM 16, so we might as well do it now before we forget.
Reviewed By: ldionne, #libc, Mordante
Spies: jloser, Mordante, libcxx-commits
Differential Revision: https://reviews.llvm.org/D135868
This patch is to fix issue related to __stage2_float_loop function, float point value comparison is not working on EBCDIC mode because the mask is hard-coded and assumes character is ASCII, fix is to use toupper function when do the comparison.
Differential Revision: https://reviews.llvm.org/D118930
Partially implements:
- P1361 Integration of chrono with text formatting
- P2372 Fixing locale handling in chrono formatters
- LWG3270 Parsing and formatting %j with durations
Completes:
- P1650R0 std::chrono::days with 'd' suffix
- LWG3262 Formatting of negative durations is not specified
- LWG3314 Is stream insertion behavior locale dependent when Period::type is micro?
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D134742
Makes sure headers having a std::ranges::less as default argument export
the proper header. Without exporting these modularized headers are not
self contained.
Reviewed By: #libc, ldionne
Differential Revision: https://reviews.llvm.org/D136045
LWG-3539 was already implemented but not marked as done.
LWG-3567 is implemented in this commit.
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D112368
Previously, some uses of std::function with blocks would crash when ARC was enabled.
rdar://100907096
Differential Revision: https://reviews.llvm.org/D135706
`std::variant::operator<=>` is missing a requires clause ensuring that
`operator<=>` only exists when all of the types in the variant are
`three_way_comparable`.
Add the missing requires clause and adjust the existing test which was
incorrect.
Fixes https://github.com/llvm/llvm-project/issues/58192.
Differential Revision: https://reviews.llvm.org/D136050
The paragraph numbers used previously did not match the C++20 nor
C++17 standards. I have updated them to the textual dotted names to
avoid this problem in future.
Reviewed By: #libc, ldionne
Differential Revision: https://reviews.llvm.org/D135861
These "implementation detail" function templates were already
hidden and have no specializations in the dylib, so they seem like they can safely
use _LIBCPP_HIDE_FROM_ABI instead and have the abi tags applied as well.
Seems some of these got over looked (e.g. D129823) in various places, and they
won't be flagged by the new checks added in D129968, as they were
already hidden.
Reviewed by: ldionne
Differential Revision: https://reviews.llvm.org/D135504
Sam James