Add noexcept to operator[] for array and deque. This is an extension. We already do this for string and string_view. This should give better codegen inside of noexcept functions.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@356209 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed