Recent regressions in the testsuite

[Phil Edwards]

This is what the autocrasher would have reported if I didn't have it
running in "only pester me" mode:

    libstdc++-v3.sum 22_locale/ctype/is/wchar_t/wrapped_env.cc
    libstdc++-v3.sum 22_locale/time_get/get_time/char/2.cc
    libstdc++-v3.sum 22_locale/time_get/get_time/wchar_t/2.cc
    libstdc++-v3.sum 22_locale/time_put/put/char/9.cc
    libstdc++-v3.sum 22_locale/time_put/put/wchar_t/9.cc
    libstdc++-v3.sum 23_containers/deque_ctor.cc
    libstdc++-v3.sum backward/header_deque_h.cc
    libstdc++-v3.sum backward/header_hashtable_h.cc
    libstdc++-v3.sum backward/header_rope_h.cc
    libstdc++-v3.sum ext/allocators.cc
    libstdc++-v3.sum ext/rope.cc

Only on trunk.

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