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[Bug libstdc++/51083] [C++11] [cmplx.over] overloads not constrained


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51083

--- Comment #13 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-11-12 15:57:07 UTC ---
Author: redi
Date: Sat Nov 12 15:57:03 2011
New Revision: 181321

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181321
Log:
    PR libstdc++/51083
    * include/ext/type_traits.h (__promote): Only define __type member
    for integral and floating point types, to prevent math functions
    participating in overload resolution for other types.
    (__promote_2, __promote_3, __promote_4): Use __promote in default
    template argument values, so deduction only succeeds for integral and
    floating point types.
    * testsuite/26_numerics/cmath/51083.cc: New.
    * testsuite/26_numerics/complex/51083.cc: New.
    * testsuite/tr1/8_c_compatibility/cmath/51083.cc: New.
    * testsuite/tr1/8_c_compatibility/complex/51083.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/26_numerics/cmath/
    trunk/libstdc++-v3/testsuite/26_numerics/cmath/51083.cc
    trunk/libstdc++-v3/testsuite/26_numerics/complex/51083.cc
    trunk/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/51083.cc
    trunk/libstdc++-v3/testsuite/tr1/8_c_compatibility/complex/51083.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/ext/type_traits.h


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