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* optional: Implement LWG 2900 and P0602Casey Carter2017-07-095-93/+55
| | | | | | Differential Revision: https://reviews.llvm.org/D32385 llvm-svn: 307505
* Fix filesystem build on platforms with weird time_t types.Eric Fiselier2017-07-081-0/+200
| | | | | | | | | | | | | | 32-bit powerpc provides a 64 bit time_t type and older ppc64 systems provide time_t as a floating point type. This caused problems when building operations.cpp since operations.cpp contained compile time tests for conversions between time_t and filesystem time type. When these tests failed they caused the libc++ build to fail as well. This is unfortunate. This patch moves the tests out of the source file and into the test suite. It also expands the tests to allow testing of the weird time_t configurations on all platforms. llvm-svn: 307461
* Fix diagnostic in verify test to match new Clang outputEric Fiselier2017-07-071-1/+1
| | | | llvm-svn: 307450
* cmath: Support clang's -fdelayed-template-parsingDuncan P. N. Exon Smith2017-07-072-3/+31
| | | | | | | | | | | r283051 added some functions to cmath (in namespace std) that have the same name as functions in math.h (in the global namespace). Clang's limited support for `-fdelayed-template-parsing` chokes on this. Rename the ones in `cmath` and their uses in `complex` and the test. rdar://problem/32848355 llvm-svn: 307357
* Fix a bug in regex_Iterator where it would report zero-length matches ↵Marshall Clow2017-07-051-0/+18
| | | | | | forever. Reported as http://llvm.org/PR33681. Thanks to Karen Arutyunov for the report. llvm-svn: 307171
* Fix equivalent test on OS X and FreeBSDEric Fiselier2017-07-051-7/+7
| | | | llvm-svn: 307119
* Add dummy CMake target for *.pass.cpp tests when LIBCXX_CONFIGURE_IDE=ON.Eric Fiselier2017-07-051-0/+33
| | | | | | | | | | | | | | | | In order for IDE's like CLion to correctly parse and highlight the tests it needs to know roughly how to build them. This patch adds a dummy CMake target for each/all of the .pass.cpp tests in the test suite to solve this problem. The target is only created when LIBCXX_CONFIGURE_IDE=ON, so it shouldn't affect most users. Originally I wasn't sure that this change deserved to live upstream, but it's quite frustrating to edit libc++ tests using CLion or Visual Studio without it, in particular the filesystem tests which rely heavily on macros. Even though the change should have no effect on non-IDE users/configurations I decided to commit it upstream with the hopes it will benefit somebody other than me. llvm-svn: 307118
* Implement LWG 2937 - equivalent("dne", "exists") is not an errorEric Fiselier2017-07-051-51/+75
| | | | | | | | | | | | | | This patch speculatively implements the PR for LWG 2937, which fixes two issues with equivalent. (1) It makes equivalent("dne", "exists") an error. Previously only equivalent("dne", "dne") was an error and the former case was not (it returned false). Now equivalent reports an error when either input doesn't exist. (2) It makes equivalent(p1, p2) well-formed when `is_other(p1) && is_other(p2)`. Previously this was an error, but there is seemingly no reason why it should be on POSIX system. llvm-svn: 307117
* Revert "[libcxx] Annotate c++17 aligned new/delete operators with availability"Akira Hatanaka2017-06-301-36/+0
| | | | | | | | | | | | | This reverts commit r306310. r306310 causes clang to reject a call to an aligned allocation or deallocation function if it is not implemented in the standard library of the deployment target. This is not the desired behavior when users have defined their own aligned functions. rdar://problem/32664169 llvm-svn: 306859
* Added failing tests for index out of range for tuple_element<pair<T1,T2>> ↵Marshall Clow2017-06-282-0/+54
| | | | | | and variant_alternative<> llvm-svn: 306580
* [libcxx] Annotate c++17 aligned new/delete operators with availabilityAkira Hatanaka2017-06-261-0/+36
| | | | | | | | | | | | | | | | | | | | | | | attribute. This is needed because older versions of libc++ do not have these operators. If users target an older deployment target and try to compile programs in which these operators are explicitly called, the compiler will complain. The following is the list of minimum deployment targets for the four OSes: macosx: 10.13 ios: 11.0 tvos: 11.0 watchos: 4.0 rdar://problem/32664169 Differential Revision: https://reviews.llvm.org/D34556 llvm-svn: 306310
* Implement inclusive_scan/transform_inclusive_scan for C++17.Marshall Clow2017-06-235-0/+635
| | | | llvm-svn: 306083
* Attempt to avoid static init ordering issues with globalMemCounterEric Fiselier2017-06-211-5/+10
| | | | llvm-svn: 305955
* [libcxx] [test] Fix -Wmismatched-tags in ↵Stephan T. Lavavej2017-06-201-2/+4
| | | | | | | | | | | | tuple_size_structured_bindings.pass.cpp. Clang and C1XX both complain about mismatched class/struct, but libc++ and MSVC's STL differ on what they use for tuple_element/tuple_size, so there's no way to win here. I'm reverting this part of my previous change. In the future, I'll have to suppress the warning for one compiler or the other. llvm-svn: 305854
* [libcxx] [test] Strip trailing whitespace. NFC.Stephan T. Lavavej2017-06-2014-32/+31
| | | | llvm-svn: 305848
* [libcxx] [test] Add more tests to tuple_size_structured_bindings.pass.cpp ↵Stephan T. Lavavej2017-06-201-6/+16
| | | | | | | | | | | | | | | | | | | and make it friendlier to C1XX. Style/paranoia: 42.1 doesn't have an exact binary representation. Although this doesn't cause failures, it makes me uncomfortable, so I'm changing it to 42.5. C1XX rightly warns about unreferenced variables. Adding tests for their values makes C1XX happy and improves test coverage. C1XX (somewhat obnoxiously) warns about seeing a struct specialized as a class. Although the Standard doesn't care, saying struct consistently is better. (The Standard itself is still inconsistent about whether to depict tuple_element and tuple_size as structs or classes.) Fixes D33953. llvm-svn: 305843
* Add a missing SFINAE condition to the `variant`'s converting constructor.Michael Park2017-06-191-0/+14
| | | | | | | | | | | | | | | | | | | | | Remarks: This function shall not participate in overload resolution unless `is_same_v<decay_t<T>, variant>` is false, unless `decay_t<T>` is neither a specialization of `in_place_type_t` nor a specialization of `in_place_index_t`, unless `is_constructible_v<Tj, T>` is true, and unless the expression `FUN(std::forward<T>(t))` (with `FUN` being the above-mentioned set of imaginary functions) is well formed. Depends on D34111. Reviewers: EricWF, K-ballo Reviewed By: EricWF Subscribers: fhahn Differential Revision: https://reviews.llvm.org/D34112 llvm-svn: 305668
* 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
* any: Add availability for experimental::bad_any_castDuncan P. N. Exon Smith2017-06-189-48/+10
| | | | | | | | As a follow up to r302172, add missing availability for bad_any_cast. rdar://problem/32161524 llvm-svn: 305647
* Allow the libc++ C header wrappers to be included when compiling C.Eric Fiselier2017-06-161-0/+37
| | | | | | | | | | C99 at least. C89 still fails due to the use of block comments. NOTE: Having libc++ on the include path when compiling C is not recommended or ever really supported. However it happens often enough that this change is warrented. llvm-svn: 305539
* Allow coroutine_handle<const T> to support creation from const references to ↵Eric Fiselier2017-06-161-0/+35
| | | | | | | | | | | | | | | the promise_type It seems conceivable that a user would need to get a coroutine handle having only a const reference to the promise_type, for example from within a const member function of the promise. This patch allows that use case. A coroutine_handle<const T> can be used in essentially the same way a coroutine_handle<T>, ie to start and destroy the coroutine. The constness of the promise doesn't/shouldn't propagate to the handle. llvm-svn: 305536
* Renamed some of the newly added tests. No functional changeMarshall Clow2017-06-156-0/+0
| | | | llvm-svn: 305453
* Fix another test with modules enabledEric Fiselier2017-06-151-0/+1
| | | | llvm-svn: 305448
* Fix test when modules are enabledEric Fiselier2017-06-151-0/+1
| | | | llvm-svn: 305445
* Add some const_casts in places where we were implicitly casting away ↵Marshall Clow2017-06-141-1/+1
| | | | | | constness. No functional change, but now they're explicit llvm-svn: 305410
* Mark `__is_inplace_*` tests as UNSUPPORTED in <= C++14.Michael Park2017-06-142-0/+4
| | | | llvm-svn: 305373
* Add an `__is_inplace_index` metafunction.Michael Park2017-06-142-0/+64
| | | | | | | | | | | | Summary: This is used to constrain `variant`'s converting constructor correctly. Reviewers: EricWF, mclow.lists Reviewed By: EricWF, mclow.lists Differential Revision: https://reviews.llvm.org/D34111 llvm-svn: 305370
* Implement the non-parallel versions of reduce and transform_reduce for C++17Marshall Clow2017-06-146-0/+520
| | | | llvm-svn: 305365
* Fix bug 33389 - __is_transparent check requires too muchMarshall Clow2017-06-1311-13/+73
| | | | llvm-svn: 305292
* Add a test with an empty input range - should do nothingMarshall Clow2017-06-131-0/+6
| | | | llvm-svn: 305268
* Mark the recent variant test as UNSUPPORTED for C++ before 17Marshall Clow2017-06-121-1/+3
| | | | llvm-svn: 305198
* Make tuple_element static_assert in pair if the index is out of range. Also, ↵Marshall Clow2017-06-122-0/+59
| | | | | | add a message to variant_alternative<> in the similar case (it already asserted). Add tests for this llvm-svn: 305196
* [array.tuple]/1 says that instantiating tuple_element<N, array<T, M>> is ↵Marshall Clow2017-06-121-0/+35
| | | | | | ill-formed if N >= M. We didn't do that. Add a static_assert to cause a failure, and a test that checks that we failed llvm-svn: 305191
* Implement the non-parallel versions of exclusive_scan and ↵Marshall Clow2017-06-103-0/+338
| | | | | | transform_exclusive_scan. Reviewed as https://reviews.llvm.org/D34038. llvm-svn: 305136
* [libcxx] [test] Update locale names for Windows.Stephan T. Lavavej2017-06-083-15/+15
| | | | | | | | | | | | | | | | | locale.codecvt.byname/ctor_char.pass.cpp: This test used to use "en_US" as a plain string instead of using platform_support. Need to fix this because MS STL expects "en-US" instead. platform_support.h: These are the legacy Windows locale names. Should use IETF tags instead. I've also added en_US, since a test was using that as a locale string as well. msvc_stdlib_force_include.hpp: Remove _MSVC_STL_VER. The libraries will directly define _MSVC_STL_VERSION in the future. Fixes D29351. llvm-svn: 305000
* [libcxx] [test] Remove a Clang/C2 workaround.Stephan T. Lavavej2017-06-081-2/+0
| | | | | | | | Clang/LLVM doesn't need this workaround. Fixes D33955. llvm-svn: 304999
* XFAIL tuple deduction guide test on GCCEric Fiselier2017-06-081-0/+5
| | | | llvm-svn: 304969
* Add tests for class template deduction on std::tuple.Eric Fiselier2017-06-081-0/+150
| | | | llvm-svn: 304967
* Fix compile error with Bionic's PTHREAD_MUTEX_INITIALIZEREric Fiselier2017-06-071-0/+2
| | | | | | | | | | | | | | | | | | | | | | On Bionic PTHREAD_MUTEX_INITIALIZER contains the expression "<enum-type> & <integer-type>", which causes ADL to perform name lookup for operator&. During this lookup Clang decides that it requires the default member initializer for std::mutex while defining the DMI for std::mutex::__m_. If I'm not mistaken this is caused by the explicit noexcept declaration on the defaulted constructor. This patch removes the explicit noexcept and instead allows the compiler to declare the default constructor implicitly noexcept. It also adds a static_assert to ensure that happens. Unfortunatly because it's not easy to change the value of _LIBCPP_MUTEX_INITIALIZER for a single test there is no good way to test this patch. The Clang behavior causing the trouble here was introduced in r287713, which first appears in the 4.0 release. llvm-svn: 304942
* Implement LWG 2904.Michael Park2017-06-073-63/+0
| | | | | | | | | | | | | | | | | | | Summary: - Removed the move-constructibe requirement from copy-assignable. - Updated `__assign_alt` such that we direct initialize if `_Tp` can be `nothrow`-constructible from `_Arg`, or `_Tp`'s move construction can throw. Otherwise, construct a temporary and move it. - Updated the tests to remove the pre-LWG2904 path. Depends on D32671. Reviewers: EricWF, CaseyCarter Reviewed By: EricWF Differential Revision: https://reviews.llvm.org/D33965 llvm-svn: 304891
* Fix test with exceptions disabledEric Fiselier2017-06-071-29/+30
| | | | llvm-svn: 304883
* [test] Test changes to accommodate LWG 2904 "Make variant move-assignment ↵Casey Carter2017-06-0710-719/+714
| | | | | | | | | | more exception safe" Also: Move constexpr / triviality extension tests into the std tree and make them conditional on _LIBCPP_VERSION / _MSVC_STL_VERSION. https://reviews.llvm.org/D32671 llvm-svn: 304847
* add missing constexpr to optional::value_orCasey Carter2017-06-061-7/+13
| | | | | | | | [Credit to cpplearner] Differential Revision: https://reviews.llvm.org/D27850 llvm-svn: 304813
* [libcxx] [test] Add _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS to ↵Stephan T. Lavavej2017-06-061-0/+3
| | | | | | | | | msvc_stdlib_force_include.hpp. This macro will instruct MSVC's STL to not warn about features that are deprecated in C++17, as libcxx tests those features and uses them elsewhere. llvm-svn: 304765
* [test] Remove workaround for C1XX empty parameter pack bugCasey Carter2017-06-053-57/+0
| | | | | | Was VSO#109062. This bug was filed *4 years ago*. I submitted a workaround to enable the scoped_allocator_adaptor tests to pass. Bug fixed a week and a half later. This was either a waste of my time, or I've discovered that libc++ has magical bugfix-inducing powers. My money's on the latter. llvm-svn: 304730
* Fix the recently introduced test to work on C++03Marshall Clow2017-06-031-5/+13
| | | | llvm-svn: 304629
* Fix some undefined behavior in __hash_table. Thanks to vsk for the report ↵Marshall Clow2017-06-031-0/+80
| | | | | | and the patch. Reviewed as https://reviews.llvm.org/D33588. llvm-svn: 304617
* Mark two coroutine tests as unsupported under ubsan, againVedant Kumar2017-06-022-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit r304580, making bool_await_suspend.pass.cpp and generator.pass.cpp unsupported on ubsan again. The host compiler is based on r304329, which has the change from PR33271 (r304277). However, this was not enough to address the issue. Bot Failure: http://lab.llvm.org:8011/builders/libcxx-libcxxabi-x86_64-linux-ubuntu-ubsan/builds/628 Unknown type! UNREACHABLE executed at /home/eric/full-llvm/llvm/lib/IR/ValueTypes.cpp:287! llvm::EVT::getEVT(llvm::Type*, bool) (/usr/local/bin/clang-5.0+0x17e7a07) llvm::TargetLoweringBase::getValueType(llvm::DataLayout const&, llvm::Type*, bool) const (/usr/local/bin/clang-5.0+0x852c4a) llvm::ComputeValueVTs(llvm::TargetLowering const&, llvm::DataLayout const&, llvm::Type*, llvm::SmallVectorImpl<llvm::EVT>&, llvm::SmallVectorImpl<unsigned long>*, unsigned long) (/usr/local/bin/clang-5.0+0x141b6e9) llvm::SelectionDAGBuilder::visitTargetIntrinsic(llvm::CallInst const&, unsigned int) (/usr/local/bin/clang-5.0+0x237b1ca) clang-5.0: /home/eric/full-llvm/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:1236: virtual void llvm::DwarfDebug::endFunctionImpl(const llvm::MachineFunction *): Assertion `LScopes.getAbstractScopesList().size() == NumAbstractScopes && "ensureAbstractVariableIsCreated inserted abstract scopes"' failed. __assert_fail_base /build/glibc-9tT8Do/glibc-2.23/assert/assert.c:92:0 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82) llvm::DwarfDebug::endFunctionImpl(llvm::MachineFunction const*) (/usr/local/bin/clang-5.0+0x223f86b) llvm::DebugHandlerBase::endFunction(llvm::MachineFunction const*) (/usr/local/bin/clang-5.0+0x227a5a1) llvm::AsmPrinter::EmitFunctionBody() (/usr/local/bin/clang-5.0+0x222522f) llvm-svn: 304591
* Revert "Mark two coroutine tests as unsupported under ubsan"Vedant Kumar2017-06-022-6/+0
| | | | | | | This reverts commit r304462, thereby re-enabling two tests under ubsan. We expect these tests to pass now that PR33271 is fixed. llvm-svn: 304580
* [test] Allow non-libc++ coroutine_handle::done to strengthen noexceptCasey Carter2017-06-014-6/+6
| | | | llvm-svn: 304487
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