[automerger skipped] DO NOT MERGE: [libc++] Add __truncating_cast for safely casting float types to integers am: baeddde44d -s ours am: c05874bc7f -s ours am: 88e2778807
am: 43b3af6225
Change-Id: Ib86b47838d8ec6e8cc34dd334a75c91de6285e9a
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