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This implements LWG4290. Missing Mandates clauses on is_sufficiently_aligned. libstdc++-v3/ChangeLog: * include/bits/align.h (is_sufficiently_aligned): Mandate that _Align is power of two. * testsuite/20_util/is_sufficiently_aligned/2_neg.cc: New test. Reviewed-by: Jonathan Wakely <jwakely@redhat.com> Signed-off-by: Tomasz Kamiński <tkaminsk@redhat.com>
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.