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1767 Commits

Author SHA1 Message Date
Marshall Clow
a5c3485a58 Bit Operations: P0556, P0553 and P1355. Reviewed as: https://reviews.llvm.org/D51262 
llvm-svn: 364862
 2019-07-01 23:00:32 +00:00
Eric Fiselier
d1523f7a8c Ensure bitset's string constructor doesn't poison the overload set. 
llvm-svn: 364842
 2019-07-01 19:59:34 +00:00
Marshall Clow
24edf8ef4b Implement P0646R1: Erase-Like Algorithms Should Return size_type. Reviewed as https://reviews.llvm.org/D58332, and then updated because I rewrote a couple of those routines to eliminate some UB. Thanks to Zoe for tghe patch. 
llvm-svn: 364840
 2019-07-01 19:22:00 +00:00
Marshall Clow
3c125fe821 Implement LWG2221: 'Formatted output for nullptr_t' Reviewed as: https://reviews.llvm.org/D63053 
llvm-svn: 364802
 2019-07-01 16:20:25 +00:00
Billy Robert O'Neal III
0384a78054 [libcxx] [test] Add void cast to result of compare_exchange_weak to suppress [[nodiscard]]. 
llvm-svn: 364732
 2019-07-01 08:09:02 +00:00
Marshall Clow
954014a0fa Add a missing '__uncvref_t' to the SFINAE constraints for optional's assignment operator. Fixes PR38638. Thanks to Jonathan Wakely for the report 
llvm-svn: 364574
 2019-06-27 18:40:55 +00:00
Marshall Clow
7d8274d54d Followup to revision 364545: Turns out that clang issues different errors for C++11 vs c++2a, so I tweaked the 'expected-error' bits that I added to match either of them. 
llvm-svn: 364554
 2019-06-27 15:37:31 +00:00
Marshall Clow
9318430237 Provide hashers for string_view only if they are using the default char_traits. Seen on SO: test/std/strings/string.view/string.view.hash/char_type.hash.fail.cpp 
llvm-svn: 364545
 2019-06-27 14:18:32 +00:00
Richard Smith
4bd4acc969 Fix test failures due to modified wording in Clang diagnostics. 
llvm-svn: 364241
 2019-06-24 22:01:03 +00:00
Richard Smith
66e6e37447 Fix test failures when using a custom ABI namespace. 
llvm-svn: 364239
 2019-06-24 21:46:05 +00:00
Eric Fiselier
fb2bd4a939 Use C++11 implementation of unique_ptr in C++03. 
llvm-svn: 364161
 2019-06-23 20:47:21 +00:00
Marshall Clow
410b650e67 Implement P0340R3: Make 'underlying_type' SFINAE-friendly. Reviewed as https://reviews.llvm.org/D63574 
llvm-svn: 364094
 2019-06-21 18:57:06 +00:00
Eric Fiselier
e652f8097b Use rvalue references throughout the is_constructible traits. 
llvm-svn: 364065
 2019-06-21 15:35:33 +00:00
Eric Fiselier
000f25a37e Make move and forward work in C++03. 
These functions are key to allowing the use of rvalues and variadics
in C++03 mode. Everything works the same as in C++11, except for one
tangentially related case:

struct T {
  T(T &&) = default;
};

In C++11, T has a deleted copy constructor. But in C++03 Clang gives
it both a move and a copy constructor. This seems reasonable enough
given the extensions it's using.

The other changes in this patch were the minimal set required
to keep the tests passing after the move/forward change. Most notably
the removal of the `__rv<unique_ptr>` hack that was present
in an attempt to make unique_ptr move only without language support.

llvm-svn: 364063
 2019-06-21 15:20:55 +00:00
Eric Fiselier
f044ebeb8d Enable aligned_union in C++03 
llvm-svn: 364058
 2019-06-21 14:45:08 +00:00
Eric Fiselier
b6a9afa823 Get is_convertible tests passing in C++03 (except the fallback). 
llvm-svn: 364057
 2019-06-21 14:43:15 +00:00
Eric Fiselier
87cf92d9cb Make rvalue metaprogramming traits work in C++03. 
The next step is to get move and forward working in C++03.

llvm-svn: 364053
 2019-06-21 14:31:34 +00:00
Zhihao Yuan
4513f0f022 [libc++] Recommit r363692 to implement P0608R3 
Re-apply the change which was reverted in r363764 as-is after
breakages being resolved.  Thanks Eric Fiselier for working
hard on this.

See also: https://bugs.llvm.org/show_bug.cgi?id=42330

Differential Revision: https://reviews.llvm.org/D44865

llvm-svn: 363993
 2019-06-20 22:09:40 +00:00
Louis Dionne
f2f7d72f00 [libc++] Take 2: Implement CTAD for map and multimap 
This is a re-application of r362986 (which was reverted in r363688) with fixes
for the issue that caused it to be reverted.

Thanks to Arthur O'Dwyer for the patch.

Differential Revision: https://reviews.llvm.org/D58587

llvm-svn: 363968
 2019-06-20 19:32:00 +00:00
Xing Xue
ab4bcd844a AIX system headers need stdint.h and inttypes.h to be re-enterable 
Summary:
AIX system headers need stdint.h and inttypes.h to be re-enterable when macro _STD_TYPES_T is defined so that limit macro definitions such as UINT32_MAX can be found. This patch attempts to allow that on AIX.

Reviewers: hubert.reinterpretcast, jasonliu, mclow.lists, EricWF

Reviewed by: hubert.reinterpretcast, mclow.lists

Subscribers: jfb, jsji, christof, cfe-commits, libcxx-commits, llvm-commits

Tags: #LLVM, #clang, #libc++

Differential Revision: https://reviews.llvm.org/D59253

llvm-svn: 363939
 2019-06-20 15:36:32 +00:00
Zhihao Yuan
3f0ae625eb [libc++] Revert r363692 which implements P0608R3 
The change caused a large number of compiler failures in
Google's codebase.  People need time to evaluate the impact.

llvm-svn: 363764
 2019-06-19 07:11:08 +00:00
Marshall Clow
2184374d94 Disable the 'nextafter' portions of these tests on PPC when using 128-bit doubles because the 'nextafter' call doesn't work right. Reviewed as https://reviews.llvm.org/D62384. Thanks to Xing Xue for the patch, and Hubert for the explanation. 
llvm-svn: 363740
 2019-06-18 21:20:02 +00:00
Marshall Clow
8dc6840f1c Fix the floating point version of midpoint. It wasn't constexpr, among other things. Add more tests. As a drive-by, the LCD implementation had a class named '__abs' which did a 'absolute value to a common-type' conversion. Rename that to be '__ct_abs'. 
llvm-svn: 363714
 2019-06-18 18:13:54 +00:00
Zhihao Yuan
c74fc6d5f9 [libc++] Implement P0608R3 - A sane variant converting constructor 
Summary:
Prefer user-defined conversions over narrowing conversions and conversions to bool.

References:
 http://wg21.link/p0608

Reviewers: EricWF, mpark, mclow.lists

Reviewed By: mclow.lists

Subscribers: zoecarver, ldionne, libcxx-commits, cfe-commits, christof

Differential Revision: https://reviews.llvm.org/D44865

llvm-svn: 363692
 2019-06-18 15:26:50 +00:00
Louis Dionne
91185b69d1 [libc++] Re-apply XFAIL to is_base_of test that was inadvertently reverted 
llvm-svn: 363689
 2019-06-18 15:01:59 +00:00
Louis Dionne
1fab01f92b [libc++] Revert the addition of map/multimap CTAD 
This was found to be broken on Clang trunk. This is a revert of the
following commits (the subsequent commits added XFAILs to the tests
that were missing from the original submission):

    r362986: Implement deduction guides for map/multimap.
    r363014: Add some XFAILs
    r363097: Add more XFAILs
    r363197: Add even more XFAILs

llvm-svn: 363688
 2019-06-18 14:40:15 +00:00
Marshall Clow
2e550cabea Add tests for LWG 3206. NFC 
llvm-svn: 363589
 2019-06-17 18:06:30 +00:00
Louis Dionne
0feebef501 [libcxx] Add XFAIL for facet test when back-deploying to older macOS 
llvm-svn: 363405
 2019-06-14 14:40:38 +00:00
Louis Dionne
64c1d456c1 [libc++] Add missing #include in <cwchar> tests 
Thanks to Mikhail Maltsev for the patch.
Differential Revision: https://reviews.llvm.org/D63289

llvm-svn: 363290
 2019-06-13 18:24:28 +00:00
Louis Dionne
c45f592b98 [libcxx] XFAIL set/multiset CTAD tests on Apple Clang 10 
llvm-svn: 363209
 2019-06-12 22:01:05 +00:00
Louis Dionne
782fff1bf8 [libcxx] XFAIL some CTAD tests on AppleClang 10 
AppleClang 10 doesn't contain some changes that are required for this
test to give the right error message.

llvm-svn: 363197
 2019-06-12 20:12:44 +00:00
Eric Fiselier
0e9b1d2a20 Move libc++ specific tests for std::function out of the std directory 
llvm-svn: 363111
 2019-06-11 22:59:53 +00:00
Louis Dionne
c06943b67d [libcxx] Mark CTAD tests for set and multiset as unsupported on older Apple Clangs 
Those fail on Green Dragon.

llvm-svn: 363107
 2019-06-11 22:36:20 +00:00
Marshall Clow
903d3db593 Mark CTAD fail tests for set/multiset as XFAIL for older compilers that give different error messages 
llvm-svn: 363099
 2019-06-11 20:35:19 +00:00
Marshall Clow
1dc3c9aa8f XFAIL a couple of tests on apple-clang-9.1, which is a compiler that I didn't know existed 
llvm-svn: 363097
 2019-06-11 20:14:07 +00:00
Louis Dionne
e20865c387 [libc++] Implement deduction guides for <set> 
This is part of C++17's P0433.

Thanks to Arthur O'Dwyer for the patch.

Differential Revision: https://reviews.llvm.org/D58582

llvm-svn: 363090
 2019-06-11 18:21:08 +00:00
Louis Dionne
776acf225b [libcxx] Slightly improved policy for handling experimental features 
Summary:
Following the discussion on the libcxx-dev mailing list
(http://lists.llvm.org/pipermail/libcxx-dev/2019-May/000358.html),
this implements the new policy for handling experimental features and
their deprecation. We basically add a deprecation warning for
std::experimental::filesystem, and we remove a bunch of <experimental/*>
headers that were now empty.

Reviewers: mclow.lists, EricWF

Subscribers: mgorny, christof, jkorous, dexonsmith, arphaman, libcxx-commits, jfb

Tags: #libc

Differential Revision: https://reviews.llvm.org/D62428

llvm-svn: 363072
 2019-06-11 14:48:40 +00:00
Marshall Clow
2efd2957ef Add a test for is_base_of and incomplete types. Because this trait uses a compiler intrinsic which was broken in many clangs, have lots of XFAILs. 
llvm-svn: 363029
 2019-06-11 03:38:29 +00:00
Marshall Clow
d40807c6bb XFAIL a couple of CTAD tests on clang-6; it gives different error messages than clang 7/8/9 
llvm-svn: 363014
 2019-06-11 00:23:50 +00:00
Marshall Clow
edfe8525de Implement deduction guides for map/multimap. Reviewed as https://reviews.llvm.org/D58587. Thanks to Quuxplusone for the submission. 
llvm-svn: 362986
 2019-06-10 21:28:23 +00:00
Zhihao Yuan
6bc4a7685e [libc++] Fix leading zeros in std::to_chars 
Summary:
It is a bugfix proposal for https://bugs.llvm.org/show_bug.cgi?id=42166.

`std::to_chars` appends leading zeros if input 64-bit value has 9, 10 or 11 digits.
According to documentation `std::to_chars` must not append leading zeros:
https://en.cppreference.com/w/cpp/utility/to_chars

Changeset should not affect `std::to_chars` performance:
http://quick-bench.com/CEpRs14xxA9WLvkXFtaJ3TWOVAg

Unit test that `std::from_chars` supports compatibility for both `std::to_chars` outputs (previous and fixed one) already exists:
1f60111b59/test/std/utilities/charconv/charconv.from.chars/integral.pass.cpp (L63)

Reviewers: lichray, mclow.lists, ldionne, EricWF

Reviewed By: lichray, mclow.lists

Subscribers: zoecarver, christof, dexonsmith, libcxx-commits

Differential Revision: https://reviews.llvm.org/D63047

llvm-svn: 362967
 2019-06-10 17:11:46 +00:00
Eric Fiselier
cdff380681 Fix some incorrect std::function tests 
llvm-svn: 362861
 2019-06-08 00:45:45 +00:00
Louis Dionne
8f500a6f9c [libcxx][test] Include test_workarounds.h where needed 
Some tests require `TEST_WORKAROUND_CONSTEXPR_IMPLIES_NOEXCEPT`, but they
did not include the header that defines that macro.

Thanks to Michael Park for the patch.

Differential Revision: https://reviews.llvm.org/D62920

llvm-svn: 362660
 2019-06-05 21:54:34 +00:00
Louis Dionne
c3c23b27a4 [libcxx] Add test to check min/max requirement to regular expression 
This commit adds tests that repeated characters in regular expressions
are within numeric limits, and that a <= b in a regex like `x{a,b}`.

Thanks to Andrey Maksimov for the patch.

Differential Revision: https://reviews.llvm.org/D62816

llvm-svn: 362525
 2019-06-04 16:47:18 +00:00
Marshall Clow
605d62e9de No longer reject inputs when using a locale that has grouping information _and_ the input has no grouping characters at all. We continue to reject cases when the input has grouping characters in the wrong place. Fixes PR#28704 
llvm-svn: 362508
 2019-06-04 15:18:46 +00:00
Marshall Clow
7fc6a55688 Add include for 'test_macros.h' to all the tests that were missing them. Thanks to Zoe for the (big, but simple) patch. NFC intended. 
llvm-svn: 362252
 2019-05-31 18:35:30 +00:00
Louis Dionne
ee319034ab [libcxx] Add regex test cases from PR40904 
llvm-svn: 362115
 2019-05-30 16:53:05 +00:00
Marshall Clow
6b03a1b423 Add additional constraints on midpoint(pointer, pointer). Fixes PR#42037. 
llvm-svn: 361970
 2019-05-29 15:17:55 +00:00
Marshall Clow
41d5fdfa91 Fix test that used raw string literals. Doesn't work in C++03 
llvm-svn: 361894
 2019-05-28 23:13:55 +00:00
Marshall Clow
1efbe67414 Fix an incorrect 'Throws' in the regex code. Add a test for the new behavior. Reviewed as https://reviews.llvm.org/D61828. Thanks to Mark for the catch and the fix. 
llvm-svn: 361887
 2019-05-28 22:42:32 +00:00