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* include/std/future (future_error(error_code)): Construct base class with error_code's message. * src/c++11/future.cc (future_error::what()): Do not call c_str() on temporary string. From-SVN: r221236
file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.