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r324153 | ericwf | 2018-02-02 23:39:59 +0100 (Fri, 02 Feb 2018) | 6 lines
Fix has_unique_object_representation after Clang commit r324134.
Clang previously reported an empty union as having a unique object
representation. This was incorrect and was fixed in a recent Clang commit.
This patch fixes the libc++ tests.
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llvm-svn: 324345
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r321963 | dim | 2018-01-07 08:45:11 -0800 (Sun, 07 Jan 2018) | 51 lines
Add pre-C++11 is_constructible wrappers for 3 arguments
Summary:
After rL319736 for D28253 (which fixes PR28929), gcc cannot compile `<memory>` anymore in pre-C+11 modes, complaining:
```
In file included from /usr/include/c++/v1/memory:648:0,
from test.cpp:1:
/usr/include/c++/v1/memory: In static member function 'static std::__1::shared_ptr<_Tp> std::__1::shared_ptr<_Tp>::make_shared(_A0&, _A1&, _A2&)':
/usr/include/c++/v1/memory:4365:5: error: wrong number of template arguments (4, should be at least 1)
static_assert((is_constructible<_Tp, _A0, _A1, _A2>::value), "Can't construct object in make_shared" );
^
In file included from /usr/include/c++/v1/memory:649:0,
from test.cpp:1:
/usr/include/c++/v1/type_traits:3198:29: note: provided for 'template<class _Tp, class _A0, class _A1> struct std::__1::is_constructible'
struct _LIBCPP_TEMPLATE_VIS is_constructible
^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/v1/memory:648:0,
from test.cpp:1:
/usr/include/c++/v1/memory:4365:5: error: template argument 1 is invalid
static_assert((is_constructible<_Tp, _A0, _A1, _A2>::value), "Can't construct object in make_shared" );
^
/usr/include/c++/v1/memory: In static member function 'static std::__1::shared_ptr<_Tp> std::__1::shared_ptr<_Tp>::allocate_shared(const _Alloc&, _A0&, _A1&, _A2&)':
/usr/include/c++/v1/memory:4444:5: error: wrong number of template arguments (4, should be at least 1)
static_assert((is_constructible<_Tp, _A0, _A1, _A2>::value), "Can't construct object in allocate_shared" );
^
In file included from /usr/include/c++/v1/memory:649:0,
from test.cpp:1:
/usr/include/c++/v1/type_traits:3198:29: note: provided for 'template<class _Tp, class _A0, class _A1> struct std::__1::is_constructible'
struct _LIBCPP_TEMPLATE_VIS is_constructible
^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/v1/memory:648:0,
from test.cpp:1:
/usr/include/c++/v1/memory:4444:5: error: template argument 1 is invalid
static_assert((is_constructible<_Tp, _A0, _A1, _A2>::value), "Can't construct object in allocate_shared" );
^
```
This is also reported in https://bugs.freebsd.org/224946 (FreeBSD is apparently one of the very few projects that regularly builds programs against libc++ with gcc).
The reason is that the static assertions are invoking `is_constructible` with three arguments, while gcc does not have the built-in `is_constructible` feature, and the pre-C++11 `is_constructible` wrappers in `<type_traits>` only provide up to two arguments.
I have added additional wrappers for three arguments, modified the `is_constructible` entry point to take three arguments instead, and added a simple test to is_constructible.pass.cpp.
Reviewers: EricWF, mclow.lists
Reviewed By: EricWF
Subscribers: krytarowski, cfe-commits, emaste
Differential Revision: https://reviews.llvm.org/D41805
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llvm-svn: 322659
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llvm-svn: 321685
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benchmarks/util_smartptr.bench.cpp
Change CRLF to LF.
test/std/localization/locale.categories/category.monetary/locale.money.get/locale.money.get.members/get_long_double_fr_FR.pass.cpp
Consistently comment "\u20ac" as EURO SIGN, its Unicode name, instead of the actual Unicode character.
test/std/utilities/allocator.adaptor/allocator.adaptor.members/construct_type.pass.cpp
Avoid non-ASCII dash.
Fixes D40991.
llvm-svn: 320536
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test/std/algorithms/alg.modifying.operations/alg.generate/generate_n.pass.cpp
Silence MSVC warning C4244. This is expected when passing
floating-point values for size.
test/std/utilities/template.bitset/bitset.members/to_ullong.pass.cpp
test/std/utilities/template.bitset/bitset.members/to_ulong.pass.cpp
Avoid MSVC "warning C4293: '<<': shift count negative or too big,
undefined behavior". MSVC sees (1ULL << N) and warns - being guarded
by const bool canFit is insufficient. A small change to the code
avoids the warning without the need for a pragma.
Remove a spurious printf() declaration from to_ullong.pass.cpp.
Change ULL to UL in to_ulong.pass.cpp. The ULL suffix was
probably copy-pasted.
test/std/utilities/tuple/tuple.general/ignore.pass.cpp
Use LIBCPP_STATIC_ASSERT for consistency with other files.
test/support/container_test_types.h
Fix a null pointer dereference, found by MSVC /analyze
warning C6011 "Dereferencing NULL pointer 'm_expected_args'."
Fixes D41030.
llvm-svn: 320535
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Summary:
Introduce a new form of `result_of` without function type encoding.
Rename and split `is_callable/is_nothrow_callable` into `is_invocable/is_nothrow_invocable/is_invocable_r/is_nothrow_invocable_r` (and associated types accordingly)
Change function type encoding of previous `is_callable/is_nothrow_callable` traits to conventional template type parameter lists.
Reviewers: EricWF, mclow.lists, bebuch
Reviewed By: EricWF, bebuch
Subscribers: lichray, bebuch, cfe-commits
Differential Revision: https://reviews.llvm.org/D38831
llvm-svn: 320509
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llvm-svn: 319994
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llvm-svn: 319736
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sizeof(unsigned long long) and C++03
llvm-svn: 319106
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llvm-svn: 319074
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llvm-svn: 319042
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llvm-svn: 319038
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llvm-svn: 318992
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Summary: Now implements P0653R2 - Utility to convert to raw pointer.
Reviewers: mclow.lists, EricWF
Reviewed By: EricWF
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D35470
llvm-svn: 318865
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llvm-svn: 318830
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as https://reviews.llvm.org/D40065
llvm-svn: 318804
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https://reviews.llvm.org/D39080
llvm-svn: 318277
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https://reviews.llvm.org/D39033
llvm-svn: 318276
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llvm-svn: 318011
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llvm-svn: 316969
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-Wunused-variable
llvm-svn: 315809
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Differential Revision: https://reviews.llvm.org/D38628
llvm-svn: 315278
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llvm-svn: 314947
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This patch adds the newly standardized deduction guides
for std::pair, allowing it to work class template deduction.
llvm-svn: 314864
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llvm-svn: 313502
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Clang recently changed the way it outputs static assert diagnostics.
This patch fixes libc++'s -verify tests so they tolerate both the old
and new message format.
llvm-svn: 313499
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There were a number of cases where __double_underscore functions,
for example __has_construct_test, were called without being qualified,
causing ADL to occur. This patch qualifies those calls to avoid this
problem.
Thanks to David L. Jones for point out the issue initially.
llvm-svn: 313324
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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
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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
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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
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* Update specification text from N4387
* Delete not_brace_initializable.fail.cpp: it's redundant with nullopt_t.fail.cpp
* is_empty<T> implies is_class<T>
* is_literal is deprecated; directly verify that we can create a nullopt_t in a constexpr context
Differential Revision: D37024
llvm-svn: 312256
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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
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This improves readability and (theoretically) improves portability,
as _Ugly names are reserved.
This performs additional de-uglification, so all of these tests
follow the example of iterator.traits/empty.pass.cpp.
llvm-svn: 310761
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This improves readability and (theoretically) improves portability,
as _Ugly names are reserved.
llvm-svn: 310758
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llvm-svn: 310156
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llvm-svn: 309528
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This makes them consistent (many comments already used uppercase).
The special REQUIRES, UNSUPPORTED, and XFAIL comments are excluded from this change.
llvm-svn: 309468
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whitespace. NFC.
llvm-svn: 309466
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llvm-svn: 309465
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llvm-svn: 309464
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enable_shared_from_this.pass.cpp.
Trivial change, committed without review.
llvm-svn: 309322
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figure out which compilers don't support deduction guides
llvm-svn: 309307
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integration into the standard library' This is an API change (not ABI change) due to a late change in the c++17 standard
llvm-svn: 309296
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llvm-svn: 307510
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Differential Revision: https://reviews.llvm.org/D32385
llvm-svn: 307505
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and variant_alternative<>
llvm-svn: 306580
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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
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llvm-svn: 305848
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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
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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
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