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This patch implements __cxa_init_primary_exception, an extension to the Itanium C++ ABI. This extension is already present in both libsupc++ and libcxxrt. This patch also starts making use of this function in std::make_exception_ptr: instead of going through a full throw/catch cycle, we are now able to initialize an exception directly, thus making std::make_exception_ptr around 30x faster.
libc++ Documentation ==================== The libc++ documentation is written using the Sphinx documentation generator. It is currently tested with Sphinx 1.1.3. To build the documents into html configure libc++ with the following cmake options: * -DLLVM_ENABLE_SPHINX=ON * -DLIBCXX_INCLUDE_DOCS=ON After configuring libc++ with these options the make rule `docs-libcxx-html` should be available. The documentation in this directory is published at https://libcxx.llvm.org. It is kept up-to-date by a build bot: https://lab.llvm.org/buildbot/#/builders/publish-sphinx-docs. If you notice that the documentation is not updating anymore, please contact one of the maintainers.