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from 1b016c8b327 2019-12-05 Richard Biener rguenther@suse.de new 274b473041c libstdc++: Implement P1872R0 and P1394R0 for std::span new dc939264516 libstdc++: Fix bug in std::span test

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Summary of changes: libstdc++-v3/ChangeLog | 21 ++ libstdc++-v3/include/bits/range_access.h | 79 ++++++-- libstdc++-v3/include/std/ranges | 57 +----- libstdc++-v3/include/std/span | 212 ++++++--------------- libstdc++-v3/include/std/type_traits | 5 + .../testsuite/23_containers/span/lwg3255.cc | 9 +- 6 files changed, 154 insertions(+), 229 deletions(-)