{"shas":[["be969d7c7d24fde9734a168bad8682a50adf31f8","f972eb75d8fdce639ae72b4a758235ac085f358b@apple.com","Removed unneeded boost implementation of is_base_of\n\ngit-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@140014 91177308-0d34-0410-b5e6-96231b3b80d8","Howard Hinnant"]],"ref":"refs/heads/master","size":1,"head":"be969d7c7d24fde9734a168bad8682a50adf31f8","push_id":43203670}