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Subject: [Bug libstdc++/49559] [C++0x] stable_sort calls self-move-assignment operator
Date: Tue, 27 Sep 2011 08:31:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49559

--- Comment #24 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-09-27 08:22:22 UTC ---
Author: paolo
Date: Tue Sep 27 08:22:07 2011
New Revision: 179242

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179242
Log:
2011-09-27  Paolo Carlini  <paolo.carlini@oracle.com>

    PR libstdc++/49559
    * include/bits/stl_algo.h (__move_merge_backward): Remove.
    (__move_merge_adaptive, __move_merge_adaptive_backward): New.
    (__merge_adaptive): Use the latter two.
    (__rotate_adaptive): Avoid self move-assignment.
    * include/bits/stl_algobase.h (move_backward): Fix comment.
    * testsuite/25_algorithms/stable_sort/49559.cc: New.
    * testsuite/25_algorithms/inplace_merge/49559.cc: Likewise.
    * testsuite/25_algorithms/inplace_merge/moveable.cc: Extend.
    * testsuite/25_algorithms/inplace_merge/moveable2.cc: Likewise.
    * testsuite/util/testsuite_rvalref.h (rvalstruct::operator=
    (rvalstruct&&)): Check for self move-assignment.

Added:
   
branches/gcc-4_6-branch/libstdc++-v3/testsuite/25_algorithms/inplace_merge/49559.cc
   
branches/gcc-4_6-branch/libstdc++-v3/testsuite/25_algorithms/stable_sort/49559.cc
Modified:
    branches/gcc-4_6-branch/libstdc++-v3/ChangeLog
    branches/gcc-4_6-branch/libstdc++-v3/include/bits/stl_algo.h
    branches/gcc-4_6-branch/libstdc++-v3/include/bits/stl_algobase.h
   
branches/gcc-4_6-branch/libstdc++-v3/testsuite/25_algorithms/inplace_merge/moveable.cc
   
branches/gcc-4_6-branch/libstdc++-v3/testsuite/25_algorithms/inplace_merge/moveable2.cc
    branches/gcc-4_6-branch/libstdc++-v3/testsuite/util/testsuite_rvalref.h