LLVM C++ Standard library (test cases)

 libc++ is a new implementation of the C++ standard library, targeting C++11.
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 Features and Goals
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   * Correctness as defined by the C++11 standard.
   * Fast execution.
   * Minimal memory use.
   * Fast compile times.
   * ABI compatibility with gcc's libstdc++ for some low-level features such
     as exception objects, rtti and memory allocation.
   * Extensive unit tests.
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 This package contains the test cases of libc++ library.