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* [libcxx] func.wrap.func.con: Unset function before destroying anythingVolodymyr Sapsai2018-04-252-0/+92
| | | | | | | | | | | | | | | | | | | | Be defensive against a reentrant std::function::operator=(nullptr_t), in case the held function object has a non-trivial destructor. Destroying the function object in-place can lead to the destructor being called twice. Patch by Duncan P. N. Exon Smith. C++03 support by Volodymyr Sapsai. rdar://problem/32836603 Reviewers: EricWF, mclow.lists Reviewed By: mclow.lists Subscribers: cfe-commits, arphaman Differential Revision: https://reviews.llvm.org/D34331 llvm-svn: 330885
* [libcxx][test] Silence -Wself-assign diagnosticsRoman Lebedev2018-04-071-4/+4
| | | | | | | | | | | | | | | | | | | | Summary: D44883 extends -Wself-assign to also work on C++ classes. These new warnings pop up in the test suite, so they have to be silenced. Please refer to the D45082 for disscussion on whether this is the right way to solve this. Testing: `ninja check-libcxx check-libcxxabi` in stage-2 build. Reviewers: mclow.lists, EricWF Reviewed By: EricWF Subscribers: Quuxplusone, cfe-commits Differential Revision: https://reviews.llvm.org/D45128 llvm-svn: 329490
* Fix PR34298 - Allow std::function with an incomplete return type.Eric Fiselier2017-09-101-1/+36
| | | | | | | | | | | | | This patch fixes llvm.org/PR34298. Previously libc++ incorrectly evaluated the __invokable trait via the converting constructor `function(Tp)` [with Tp = std::function] whenever the copy constructor or copy assignment operator was required. This patch further constrains that constructor to short circut before evaluating the troublesome SFINAE when `Tp` matches std::function. The original patch is from Alex Lorenz. llvm-svn: 312892
* Revert "Fix PR34298 - Allow std::function with an incomplete return type."Eric Fiselier2017-09-101-36/+1
| | | | | | | | | | | This reverts commit r312890 because the test case fails to compile for older versions of Clang that reject initializing a const object without a user defined constructor. Since this patch should go into 5.0.1, I want to keep it an atomic change, and will re-commit it with a fixed test case. llvm-svn: 312891
* Fix PR34298 - Allow std::function with an incomplete return type.Eric Fiselier2017-09-101-1/+36
| | | | | | | | | | | | | This patch fixes llvm.org/PR34298. Previously libc++ incorrectly evaluated the __invokable trait via the converting constructor `function(Tp)` [with Tp = std::function] whenever the copy constructor or copy assignment operator was required. This patch further constrains that constructor to short circut before evaluating the troublesome SFINAE when `Tp` matches std::function. The original patch is from Alex Lorenz. llvm-svn: 312890
* [libcxx] [test] Update for C++17 feature removals.Stephan T. Lavavej2017-08-241-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | test/std/containers/Emplaceable.h test/std/containers/NotConstructible.h test/support/counting_predicates.hpp Replace unary_function/binary_function inheritance with typedefs. test/std/depr/depr.function.objects/depr.base/binary_function.pass.cpp test/std/depr/depr.function.objects/depr.base/unary_function.pass.cpp test/std/utilities/function.objects/func.require/binary_function.pass.cpp test/std/utilities/function.objects/func.require/unary_function.pass.cpp Mark these tests as requiring 98/03/11/14 because 17 removed unary_function/binary_function. test/std/thread/futures/futures.task/futures.task.members/ctor_func_alloc.pass.cpp test/std/thread/futures/futures.task/futures.task.nonmembers/uses_allocator.pass.cpp Mark these tests as requiring 11/14 because 17 removed packaged_task allocator support. test/std/utilities/function.objects/func.wrap/func.wrap.func/derive_from.pass.cpp This test doesn't need to be skipped in C++17 mode. Only the construction of std::function from an allocator needs to be skipped in C++17 mode. test/std/utilities/function.objects/refwrap/refwrap.access/conversion.pass.cpp test/std/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp test/std/utilities/function.objects/refwrap/refwrap.const/copy_ctor.pass.cpp test/std/utilities/function.objects/refwrap/refwrap.const/type_ctor.pass.cpp When testing these reference_wrapper features, unary_function inheritance is totally irrelevant. test/std/utilities/function.objects/refwrap/weak_result.pass.cpp Define and use my_unary_function/my_binary_function to test the weak result type machinery (which is still present in C++17, although deprecated). test/support/msvc_stdlib_force_include.hpp Now we can test C++17 strictly, without enabling removed features. Fixes D36503. llvm-svn: 311705
* [libcxx] [test] In func.wrap.func.con/alloc_F.pass.cpp, fix REQUIRES ↵Stephan T. Lavavej2017-07-291-1/+1
| | | | | | whitespace. NFC. llvm-svn: 309466
* [libcxx] [test] Untabify, NFC.Stephan T. Lavavej2017-07-292-4/+4
| | | | llvm-svn: 309464
* func.wrap.func.con: Fix test commentDuncan P. N. Exon Smith2017-06-181-1/+1
| | | | | | This tests moving `function`, not `const function`. llvm-svn: 305648
* Mark LWG#2850 as complete. No functionality change; we had tests that ↵Marshall Clow2017-05-111-1/+2
| | | | | | covered it already. Just added comments to the tests. Thanks to K-ballo for the heads up. llvm-svn: 302799
* Implement LWG 2591 - Patch from K-BalloEric Fiselier2017-05-101-0/+4
| | | | llvm-svn: 302724
* Update all bug URL's to point to https://bugs.llvm.org/...Eric Fiselier2017-02-172-2/+2
| | | | llvm-svn: 295434
* Remove all usages of REQUIRES-ANY in the test suite.Eric Fiselier2017-01-246-6/+6
| | | | | | | | | Pending LIT changes are about to remove the REQUIRES-ANY keyword in place of supporting boolean && and || within "REQUIRES". This patch prepares libc++ for that change so that when applied the bots don't lose their mind. llvm-svn: 292901
* [libcxx] [test] Fix comment typos, strip trailing whitespace.Stephan T. Lavavej2017-01-181-1/+1
| | | | | | No functional change, no code review. llvm-svn: 292434
* Fix PR31489 - std::function self-swap segfaultsEric Fiselier2016-12-292-94/+195
| | | | llvm-svn: 290721
* [libcxx] [test] D26815: Fix an assumption about the state of moved-from ↵Stephan T. Lavavej2016-11-181-2/+2
| | | | | | | | | | | std::functions. The Standard doesn't provide any guarantees beyond "valid but unspecified" for moved-from std::functions. libcxx moves from small targets and leaves them there, while MSVC's STL empties out the source. Mark these assertions as libcxx-specific. llvm-svn: 287382
* Implement http://wg21.link/p0302r1: Removing Allocator Support in ↵Marshall Clow2016-10-1312-0/+210
| | | | | | std::function. These functions never worked, and as far as I know, no one ever called them. llvm-svn: 284164
* Add tests to check that swap(std::function, std::function) is noexcept. This ↵Marshall Clow2016-10-101-1/+14
| | | | | | is LWG#2062, but we already do this. No changes to the library, just adding tests. llvm-svn: 283780
* Remove all instances of _LIBCPP_HAS_NO_RVALUE_REFERENCES from test/std/utilitiesEric Fiselier2016-10-011-2/+3
| | | | llvm-svn: 283032
* Implement LWG 2393. Check for LValue-callability.Eric Fiselier2016-07-243-0/+65
| | | | llvm-svn: 276546
* Fix inheriting constructor test for std::function.Eric Fiselier2016-07-201-4/+7
| | | | | | | The test I originally checked in only worked with ToT Clang. This patch updates the test so that it works as far back as 3.5. llvm-svn: 276093
* Add missed test in r276090.Eric Fiselier2016-07-201-0/+23
| | | | llvm-svn: 276091
* Remove trailing whitespace in test suite. Approved by Marshall Clow.Eric Fiselier2016-06-011-1/+1
| | | | llvm-svn: 271435
* Mark LWG issue 2565 as complete. Update the tests to check it.Eric Fiselier2016-05-312-28/+100
| | | | llvm-svn: 271238
* Implement LWG#2385; remove the allocator-aware std::function::assign call. ↵Marshall Clow2016-01-251-0/+4
| | | | | | It was useless, and didn't actually *do anything* with the allocator. Now it's gone. On the off chance that someone is mistakenly calling it, it's only gone in C++1z llvm-svn: 258697
* Add missing license headersEric Fiselier2016-01-191-0/+9
| | | | llvm-svn: 258196
* [libcxx] Fix PR23589: std::function doesn't recognize null pointer to ↵Eric Fiselier2015-08-181-0/+247
| | | | | | | | | | | | | | | | | | | | varargs function. Summary: This patch fixes __not_null's detection of nullptr by breaking it down into 4 cases. 1. `__not_null(Tp const&)`: Default case. Tp is not null. 2. `__not_null(Tp* __ptr);` Case for pointers to functions. 3. `__not_null(_Ret _Class::* __ptr);` Case for pointers to members. 4. `__not_null(function<Tp> const&);`: Cases for other std::functions. Reviewers: mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11111 llvm-svn: 245335
* Cleanup tests that fail in C++1z and with Clang 3.8Eric Fiselier2015-07-177-369/+242
| | | | llvm-svn: 242581
* Fix std::function allocator constructors in C++03.Eric Fiselier2015-06-143-119/+206
| | | | | | | | | The C++03 version of function tried to default construct the allocator in the uses allocator constructors when no allocation was performed. These constructors would fail to compile when used with allocators that had no default constructor. llvm-svn: 239708
* [libc++] Fix PR22922 - Allocator support for std::function does not know how ↵Eric Fiselier2015-03-185-15/+18
| | | | | | | | | | | | | | | | | | | to rebind. Summary: This patch changes std::function to use allocator_traits to rebind the allocator instead of allocator itself. It also changes most of the tests to use `bare_allocator` where possible instead of `test_allocator`. Reviewers: mclow.lists Reviewed By: mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D8391 llvm-svn: 232686
* [libcxx] Fix PR 22468 - std::function<void()> does not accept ↵Eric Fiselier2015-02-104-0/+81
| | | | | | | | | | | | | | | | | | | non-void-returning functions Summary: The bug can be found here: http://llvm.org/bugs/show_bug.cgi?id=22468 `__invoke_void_return_wrapper` is needed to properly handle calling a function that returns a value but where the std::function return type is void. Without this '-Wsystem-headers' will cause `function::operator()(...)` to not compile. Reviewers: eugenis, K-ballo, mclow.lists Reviewed By: mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D7444 llvm-svn: 228705
* Fix use of C++11 extensions in C++03 code.Eric Fiselier2015-02-102-1/+3
| | | | llvm-svn: 228698
* In early C++11 standard drafts, std::function derived from ↵Marshall Clow2015-01-081-29/+88
| | | | | | std::unary_function or std::binary_function if there was only one (or two) parameters. Before C++11 shipped, this restiction was lifted, but libc++ still does this (which is fine). However, the tests still check for this outdated requiremnt. Change then to check for the nested typedefs instead (which are still required by the standard). No change to the library. llvm-svn: 225430
* [libcxx] Consolidate new/delete replacement in tests and disable it when ↵Eric Fiselier2014-12-229-235/+95
| | | | | | | | | | | | | | | | | | | | using sanitizers. Summary: MSAN and ASAN also replace new/delete which leads to a link error in these tests. Currently they are unsupported but I think it would be useful if these tests could run with sanitizers. This patch creates a support header that consolidates the new/delete replacement functionality and checking. When we are using sanitizers new and delete are no longer replaced and the checks always return true. Reviewers: mclow.lists, danalbert, jroelofs, EricWF Reviewed By: EricWF Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D6562 llvm-svn: 224741
* Move test into test/std subdirectory.Eric Fiselier2014-12-2029-0/+2156
llvm-svn: 224658
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