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8 Commits

Author SHA1 Message Date
Dan Albert
c79549b70e Revert "Revert "Merge to upstream r304942."" 
This reverts commit 38a0d5af7e.

Test: make checkbuild
Test: ./run_tests.py
Test: ./run_tests.py --bitness 64
 2018-01-17 14:21:02 -08:00
Dan Albert
38a0d5af7e Revert "Merge to upstream r304942." 
This reverts commit 83b1388ecd, reversing
changes made to f20819f925.

Test: treehugger
Bug: None
 2018-01-11 10:41:39 -08:00
Michael Park
ad3680b23e Worked around GCC bug 56480. Explicit specialization in a different namespace. 
Summary: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480

Reviewers: EricWF

Reviewed By: EricWF

Differential Revision: https://reviews.llvm.org/D31273

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@298581 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-03-23 06:21:24 +00:00
Marshall Clow
af552ba05a Implement P0599: 'noexcept for hash functions'. Fix a couple of hash functions (optional<T> and unique_ptr<T>) which were mistakenly marked as 'noexcept'. Reviewed as https://reviews.llvm.org/D31234 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@298573 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-03-23 02:40:28 +00:00
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
Eric Fiselier
120401a4e0 Make variant's index part of the hash value 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@288554 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-12-02 23:38:31 +00:00
Eric Fiselier
cab2af8418 Implement C++17 <variant>. Patch from Michael Park! 
This patch was reviewed as https://reviews.llvm.org/D23263.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@288547 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-12-02 23:00:05 +00:00
Eric Fiselier
0373708cdc Add <variant> tests but disable them for libc++ 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@287728 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-11-23 01:02:51 +00:00