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Makes it easier to migrate existing code that uses std::set.
Reviewed By: fhahn
Differential Revision: https://reviews.llvm.org/D69417
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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This removes the assertion that a copy of a moved-from SmallSetIterator
equals the original, which is illegal due to SmallSetIterator including
an instance of a standard `std::set` iterator.
C++ [iterator.requirements.general] states that comparing singular
iterators has undefined result:
> Iterators can also have singular values that are not associated with
> any sequence. [...] Results of most expressions are undefined for
> singular values; the only exceptions are destroying an iterator that
> holds a singular value, the assignment of a non-singular value to an
> iterator that holds a singular value, and, for iterators that satisfy
> the Cpp17DefaultConstructible requirements, using a value-initialized
> iterator as the source of a copy or move operation.
This assertion triggers the following error in the GNU C++ Library in
debug mode under EXPENSIVE_CHECKS:
/usr/include/c++/8.2.1/debug/safe_iterator.h:518:
Error: attempt to compare a singular iterator to a singular iterator.
Objects involved in the operation:
iterator "lhs" @ 0x0x7fff86420670 {
state = singular;
}
iterator "rhs" @ 0x0x7fff86420640 {
state = singular;
}
Patch by Eugene Sharygin.
Reviewers: fhahn, dblaikie, chandlerc
Reviewed By: fhahn, dblaikie
Differential Revision: https://reviews.llvm.org/D53793
llvm-svn: 345712
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Updated to make sure we properly construct/destroy SetIter if it has a
non-trivial ctors/dtors, like in MSVC.
llvm-svn: 337818
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llvm-svn: 337303
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Spell out destructor, copy/move constructor and assignment operators for
MSVC STL, where set<T>::const_iterator is not trivially copy constructible.
llvm-svn: 337292
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llvm-svn: 336923
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This version now uses the subset of is_trivially_XXX provided by
GCC 4.8 and llvm/Support/type_traits.h
llvm-svn: 336805
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llvm-svn: 334889
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This patch adds a simple const_iterator implementation for SmallSet by
delegating to either a SmallVector::const_iterator or
std::set::const_iterator, depending on which storage is used by the
SmallSet.
Reviewers: dblaikie, craig.topper
Reviewed By: dblaikie
Differential Revision: https://reviews.llvm.org/D47942
llvm-svn: 334887
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Reviewers: craig.topper, dblaikie
Reviewed By: dblaikie
Differential Revision: https://reviews.llvm.org/D47940
llvm-svn: 334321
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