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-rw-r--r--boost/align/detail/align_down.hpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/boost/align/detail/align_down.hpp b/boost/align/detail/align_down.hpp
index 9a8c358c41..de3c80d06d 100644
--- a/boost/align/detail/align_down.hpp
+++ b/boost/align/detail/align_down.hpp
@@ -18,8 +18,8 @@ inline void*
align_down(void* ptr, std::size_t alignment) BOOST_NOEXCEPT
{
BOOST_ASSERT(detail::is_alignment(alignment));
- return reinterpret_cast<void*>(reinterpret_cast<std::
- size_t>(ptr) & ~(alignment - 1));
+ return reinterpret_cast<void*>(~(alignment - 1) &
+ reinterpret_cast<std::size_t>(ptr));
}
} /* alignment */