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The requirements introduced in previous patch r16-7548-g060d7c2a9c1fe1, were not sufficient for types of size bigger than 64B (Ctor or long double), as dg-add-options of libatomic, links libatomic only if it is required to handle atomics of 64B types or pointers. This patch addresses above, by reducing the size of Ctor struct to fit in 64 bytes, and moving long double test to separate file, that requires and links with libatomic. PR libstdc++/124124 libstdc++-v3/ChangeLog: * testsuite/29_atomics/atomic/cons/zero_padding.cc: Updated Ctor class and move test_floating to... * testsuite/29_atomics/atomic_float/zero_padding.cc: Extracted test_floating. 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.