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Because ranges can have any signed integer-like type as difference_type, it's not valid to use std::min(diff1, diff2). Instead of calling std::min with an explicit template argument, this adds a new __mindist helper that determines the common type and uses that with std::min. libstdc++-v3/ChangeLog: PR libstdc++/101587 * include/bits/ranges_uninitialized.h (__detail::__mindist): New function object. (ranges::uninitialized_copy, ranges::uninitialized_copy_n) (ranges::uninitialized_move, ranges::uninitialized_move_n): Use __mindist instead of std::min. * testsuite/20_util/specialized_algorithms/uninitialized_copy/constrained.cc: Check ranges with difference difference types. * testsuite/20_util/specialized_algorithms/uninitialized_move/constrained.cc: Likewise.
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.