[Bug libstdc++/61947] [4.8/4.9 Regression] Ambiguous calls when constructing std::tuple

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61947

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Sat Dec  6 22:24:16 2014
New Revision: 218457

URL: https://gcc.gnu.org/viewcvs?rev=218457&root=gcc&view=rev
Log:
    PR libstdc++/61947
    * include/std/tuple (_Head_base): Use allocator_arg_t parameters to
    disambiguate unary constructors.
    (_Tuple_impl): Pass allocator_arg_t arguments.
    * testsuite/20_util/tuple/61947.cc: New.
    * testsuite/20_util/uses_allocator/cons_neg.cc: Adjust dg-error line.

Added:
    branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/tuple/61947.cc
      - copied, changed from r218456,
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/uses_allocator/cons_neg.cc
Modified:
    branches/gcc-4_9-branch/libstdc++-v3/ChangeLog
    branches/gcc-4_9-branch/libstdc++-v3/include/std/tuple
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/uses_allocator/cons_neg.cc