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Eric Fiselier 952eaecfc6 Implement P0513R0 - "Poisoning the Hash" 
Summary:
Exactly what the title says.

This patch also adds a `std::hash<nullptr_t>` specialization in C++17, but it was not added by this paper and I can't find the actual paper that adds it.

See http://wg21.link/P0513R0 for more info.

If there are no comments in the next couple of days I'll commit this

Reviewers: mclow.lists, K-ballo, EricWF

Reviewed By: EricWF

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D28938

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292684 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-21 00:02:12 +00:00
..
experimental
Fix filesystem::path assignment from {}
2017-01-18 05:48:55 +00:00
ext
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
support
Add _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] macros.
2017-01-06 21:42:58 +00:00
__bit_reference
Add _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] macros.
2017-01-06 21:42:58 +00:00
__bsd_locale_defaults.h
Reorganize _LIBCPP_LOCALE__L_EXTENSIONS
2016-03-09 15:39:39 +00:00
__bsd_locale_fallbacks.h
Reorganize _LIBCPP_LOCALE__L_EXTENSIONS
2016-03-09 15:39:39 +00:00
__config
Disable aligned new/delete on Apple platforms without posix_memalign
2017-01-20 01:47:26 +00:00
__config_site.in
[libc++] Cleanup and document <__threading_support>
2017-01-06 20:05:40 +00:00
__debug
[libc++] Introduce _LIBCPP_EXTERN_VIS to fix __libcpp_debug_function link errors
2017-01-16 21:01:00 +00:00
__functional_03
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
__functional_base
Implement P0513R0 - "Poisoning the Hash"
2017-01-21 00:02:12 +00:00
__functional_base_03
[libcxx] Rewrite C++03 __invoke.
2015-08-26 20:15:02 +00:00
__hash_table
Diagnose non-const-callable hash functions and comparators
2017-01-13 22:42:53 +00:00
__libcpp_version
Update version to 5.0
2017-01-13 18:29:56 +00:00
__locale
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
__mutex_base
Swap two lines in __mutex_base. On systems with high clock rates, we could mistakenly return no_timeout when a mutex had timed out if we got a tick between these two lines. Thanks to Brian Cain for the bug report.
2017-01-09 22:32:11 +00:00
__nullptr
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
__refstring
[libc++] Fix modules build - Rework __refstring definition
2016-10-25 19:33:14 +00:00
__split_buffer
Cleanup: move visibility/linkage attributes to the first declaration.
2015-11-07 01:22:13 +00:00
__sso_allocator
[libc++] Tolerate presence of __deallocate macro
2017-01-07 03:01:24 +00:00
__std_stream
clean up some qualifier casting
2016-12-31 18:13:34 +00:00
__string
disable use of __builtin_memcmp temporarily to get the tests passing again
2017-01-12 05:40:58 +00:00
__threading_support
[libcxx] Don't assume __libcpp_thread_t is an integral type
2017-01-16 12:19:54 +00:00
__tree
Diagnose non-const-callable hash functions and comparators
2017-01-13 22:42:53 +00:00
__tuple
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
__undef_min_max
Add option to disable __deallocate #warning
2016-07-12 14:39:13 +00:00
algorithm
Replace identifiers called __out because Windows.h #defines it.
2017-01-07 11:27:06 +00:00
any
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
array
Implement the missing constexpr stuff in <array>. Fixes PR#31645.
2017-01-16 03:02:10 +00:00
atomic
Diagnose invalid memory orderings in <atomic>
2017-01-13 23:45:39 +00:00
bitset
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
cassert
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
ccomplex
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
cctype
Put back the undefs that Richard removed. Boost won't build w/o these; specifically the file 'bytes_methods.h' in Apple's python framework defines these.
2016-04-04 22:49:20 +00:00
cerrno
Split <errno.h> out of <cerrno>.
2015-10-08 20:37:11 +00:00
cfenv
Fix incorrect file header. This is <cfenv> not <cctype>.
2015-10-08 21:17:21 +00:00
cfloat
Split <float.h> out of <cfloat>.
2015-10-08 20:37:44 +00:00
chrono
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
cinttypes
Split <inttypes.h> out of <cinttypes>.
2015-10-08 20:38:53 +00:00
ciso646
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
climits
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
clocale
Make support for thread-unsafe C functions optional.
2015-06-24 08:44:38 +00:00
CMakeLists.txt
Simplify CMake target for the __generated_config header
2017-01-03 11:18:17 +00:00
cmath
[CUDA] Mark __libcpp_{isnan,isinf,isfinite} as constexpr.
2016-11-15 19:15:57 +00:00
codecvt
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
complex
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
complex.h
PR25118: move system_header pragma before uses of include_next to avoid extension warnings for people finding libc++ headers via -I paths.
2015-10-09 00:26:50 +00:00
condition_variable
Cleanup: move visibility/linkage attributes to the first declaration.
2015-11-07 01:22:13 +00:00
csetjmp
Split <setjmp.h> out of <csetjmp>.
2015-10-08 20:41:26 +00:00
csignal
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
cstdarg
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
cstdbool
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
cstddef
PR25118: move system_header pragma before uses of include_next to avoid extension warnings for people finding libc++ headers via -I paths.
2015-10-09 00:26:50 +00:00
cstdint
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
cstdio
[libc++] Remove unnecessary MSVCRT exclusions
2016-11-08 03:31:42 +00:00
cstdlib
Remove mblen(), mbtowc() and wctomb() from the thread-unsafe functions.
2016-12-30 10:44:00 +00:00
cstring
Fix overload sets of strchr, strpbrk, strrchr, memchr and strstr from
2016-02-10 00:59:02 +00:00
ctgmath
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
ctime
Make support for thread-unsafe C functions optional.
2015-06-24 08:44:38 +00:00
ctype.h
PR25118: move system_header pragma before uses of include_next to avoid extension warnings for people finding libc++ headers via -I paths.
2015-10-09 00:26:50 +00:00
cwchar
[libc++] Remove unnecessary MSVCRT exclusions
2016-11-08 03:31:42 +00:00
cwctype
Split <wctype.h> out of <cwctype>.
2015-10-09 19:57:37 +00:00
deque
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
errno.h
Cleanup foo.h headers and __config to work in C
2015-11-06 06:30:12 +00:00
exception
Fix unused parameters and variables
2016-12-23 23:37:52 +00:00
float.h
Cleanup foo.h headers and __config to work in C
2015-11-06 06:30:12 +00:00
forward_list
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
fstream
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
functional
Implement P0513R0 - "Poisoning the Hash"
2017-01-21 00:02:12 +00:00
future
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
initializer_list
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
inttypes.h
[include] Declare __STDC_*_MACROS for C++11 compat in old libc
2016-09-26 20:20:00 +00:00
iomanip
Move 'quoted' for string_view from <string_view> to <iomanip> (where the other versions of 'quoted' live. No functional change.
2016-10-27 15:10:07 +00:00
ios
Fix merge conflict caused by r291921
2017-01-13 18:25:13 +00:00
iosfwd
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
iostream
Make the presence of stdin and stdout optional.
2015-03-26 14:35:46 +00:00
istream
Replace _LIBCPP_HAS_NO_DELETED_FUNCTIONS with _LIBCPP_CXX03_LANG
2017-01-06 20:58:25 +00:00
iterator
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
limits
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
limits.h
[libcxx] Fix gcc build.
2016-10-10 15:56:01 +00:00
list
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
locale
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
locale.h
[libcxx] Implement locale.h to fix modules build
2016-11-19 01:14:15 +00:00
map
Add _LIBCPP_DIAGNOSE_WARNING and _LIBCPP_DIAGNOSE_ERROR macros.
2017-01-13 22:02:08 +00:00
math.h
[libc++] Remove math_win32.h
2016-09-24 06:27:28 +00:00
memory
Implement P0513R0 - "Poisoning the Hash"
2017-01-21 00:02:12 +00:00
module.modulemap
[libc++] Tolerate presence of __deallocate macro
2017-01-07 03:01:24 +00:00
mutex
Adorn __call_once_proxy with inline and _LIBCPP_INLINE_VISIBILITY
2017-01-09 23:07:12 +00:00
new
Implement P0513R0 - "Poisoning the Hash"
2017-01-21 00:02:12 +00:00
numeric
Fixes for LWG 2598, 2686, 2739, 2742, 2747, and 2759, which were adopted last week in Issaquah
2016-11-14 18:22:19 +00:00
optional
Implement P0513R0 - "Poisoning the Hash"
2017-01-21 00:02:12 +00:00
ostream
Replace _LIBCPP_HAS_NO_DELETED_FUNCTIONS with _LIBCPP_CXX03_LANG
2017-01-06 20:58:25 +00:00
queue
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
random
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
ratio
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
regex
Replace identifiers called __out because Windows.h #defines it.
2017-01-07 11:27:06 +00:00
scoped_allocator
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
set
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
setjmp.h
Cleanup foo.h headers and __config to work in C
2015-11-06 06:30:12 +00:00
shared_mutex
Qualify calls to addressof to avoid getting ADL. Fixes PR#27254.
2016-04-13 17:02:23 +00:00
sstream
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
stack
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
stdbool.h
Add stdbool.h wrapper for libc++
2016-02-20 00:16:41 +00:00
stddef.h
PR25118: move system_header pragma before uses of include_next to avoid extension warnings for people finding libc++ headers via -I paths.
2015-10-09 00:26:50 +00:00
stdexcept
Fix unused parameters and variables
2016-12-23 23:37:52 +00:00
stdint.h
[include] Declare __STDC_*_MACROS for C++11 compat in old libc
2016-09-26 20:20:00 +00:00
stdio.h
Split <stdio.h> out of <cstdio>.
2015-10-09 01:29:09 +00:00
stdlib.h
Cleanup foo.h headers and __config to work in C
2015-11-06 06:30:12 +00:00
streambuf
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
string
Fix std::string assignment ambiguity from braced initializer lists.
2017-01-17 22:10:32 +00:00
string_view
Implement P0403R1 - 'Literal suffixes for basic_string_view'. Requires clang 4.0 (specifically, r290744)
2017-01-09 18:07:34 +00:00
string.h
Instead of asking glibc to provide correct C++ signatures for <string.h>
2016-02-11 23:51:02 +00:00
strstream
No functionality change at this time. I've split _LIBCPP_VISIBLE up into two flags: _LIBCPP_TYPE_VIS and _LIBCPP_FUNC_VIS. This is in preparation for taking advantage of clang's new __type_visibility__ attribute.
2013-03-06 23:30:19 +00:00
system_error
Add ABI option to remove recently inlined __shared_count functions from the library.
2017-01-17 03:16:26 +00:00
tgmath.h
Windows support by Ruben Van Boxem.
2011-10-17 20:05:10 +00:00
thread
[libcxx] Don't assume __libcpp_thread_t is an integral type
2017-01-16 12:19:54 +00:00
tuple
Fix std::tuples EBO when targeting the MSVC ABI.
2017-01-16 21:15:08 +00:00
type_traits
Diagnose non-const-callable hash functions and comparators
2017-01-13 22:42:53 +00:00
typeindex
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
typeinfo
Fix type_info's constructor by making it explicit again.
2017-01-17 23:41:42 +00:00
unordered_map
Diagnose non-const-callable hash functions and comparators
2017-01-13 22:42:53 +00:00
unordered_set
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
utility
Implement P0513R0 - "Poisoning the Hash"
2017-01-21 00:02:12 +00:00
valarray
[libc++] Tolerate presence of __deallocate macro
2017-01-07 03:01:24 +00:00
variant
Implement P0513R0 - "Poisoning the Hash"
2017-01-21 00:02:12 +00:00
vector
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
wchar.h
Fix overload sets of strchr, strpbrk, strrchr, memchr and strstr from
2016-02-10 00:59:02 +00:00
wctype.h
Split <wctype.h> out of <cwctype>.
2015-10-09 19:57:37 +00:00