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Fix PR#20471. Add a cast in __align_it to ensure that the bit twiddling is done at the correct size. A better solution, IMHO, would be to declare vector<bool>::__bits_per_word as 'size_type', rather than 'unsigned', but that's a possible ABI change.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@214088 91177308-0d34-0410-b5e6-96231b3b80d8
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Marshall Clow 2014-07-28 15:02:42 +00:00
parent 0c6d1a88de
commit 0d1965d8c2
1 changed files with 1 additions and 1 deletions
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include/vector
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@ -2352,7 +2352,7 @@ private:
void deallocate() _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY
static size_type __align_it(size_type __new_size) _NOEXCEPT
{return __new_size + (__bits_per_word-1) & ~(__bits_per_word-1);};
{return __new_size + (__bits_per_word-1) & ~((size_type)__bits_per_word-1);};
_LIBCPP_INLINE_VISIBILITY size_type __recommend(size_type __new_size) const;
_LIBCPP_INLINE_VISIBILITY void __construct_at_end(size_type __n, bool __x);
template <class _ForwardIterator>