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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. 

llvm-svn: 214088
This commit is contained in:
Marshall Clow 2014-07-28 15:02:42 +00:00
parent 2172f51e4e
commit 51510e7f4c
1 changed files with 1 additions and 1 deletions
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libcxx/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>