PR c++/48322
gcc/cp/
* cp-tree.h (PACK_EXPANSION_EXTRA_ARGS): New.
* cp-tree.def (EXPR_PACK_EXPANSION): Add an operand for it.
* pt.c (tsubst_pack_expansion): Set and use it.
(iterative_hash_template_arg): Hash it.
(template_args_equal): Compare it.
(comp_template_args_with_info): Handle nulls.
* tree.c (cp_walk_subtrees): Walk it.
* typeck.c (structural_comptypes): Compare it.
* ptree.c (cxx_print_type): Print it.
libstdc++-v3/
* include/std/tuple (tuple(_UElements&&...)): Fix SFINAE.
From-SVN: r181547
* doc/xml/manual/appendix_contributing.xml: Do not use "here" as link
text.
* doc/xml/faq.xml: Likewise. Do not request standard library issues
to be reported to the libstdc++ mailing list.
* doc/xml/manual/status_cxx2011.xml: Document implementation-defined
behaviour.
* doc/xml/manual/status_cxxtr1.xml: Likewise.
* doc/xml/manual/utilities.xml: Fix grammar, probably caused by a
global search and replace of "part" by "chapter".
* doc/xml/manual/shared_ptr.xml: Remove outdated information.
* doc/xml/manual/messages.xml: Be more specific about systems where
using 'int' for catalog handle is not a problem, mentioned LWG issue.
From-SVN: r181532
2011-11-18 Harti Brandt <hartmut.brandt@dlr.de>
PR libstdc++/51209
* include/bits/hashtable.h (_Hashtable<>::_M_find_node): Return
nullptr when no node is found.
* include/tr1/hashtable.h (_Hashtable<>::_M_find_node): Return
zero when no node is found.
From-SVN: r181480
PR libstdc++/51181
* libsupc++/eh_tm.cc (free_any_cxa_exception): Protect the use
of __sync_sub_and_fetch with _GLIBCXX_ATOMIC_BUILTINS_4.
From-SVN: r181465
* doc/xml/manual/status_cxx2011.xml: Status of piecewise construction
and ios_base::failure.
* doc/xml/manual/backwards_compatibility.xml: List headers in
alphabetical order.
From-SVN: r181438
2011-11-14 Paolo Carlini <paolo.carlini@oracle.com>
* include/c_global/cmath (frexp, modf, remquo): Do not mark constexpr,
not viable anyway due to the pointer parameter.
From-SVN: r181349
PR c++/51060
* gimplify.c (gimplify_target_expr): Add a clobber to the cleanup.
(gimplify_modify_expr): Don't try to simplify it.
* cp/cp-gimplify.c (cp_gimplify_expr): Leave clobbers alone.
From-SVN: r181332
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.
From-SVN: r181321
* include/bits/allocator.h (__shrink_to_fit_aux::_S_do_it): Create
the new object with the same allocator.
* testsuite/23_containers/vector/capacity/shrink_to_fit2.cc: New.
From-SVN: r181235
* include/bits/stl_vector.h (vector::_Alloc_traits): Make private.
* include/debug/vector: Add allocator-extended constructors, ensure
move assignment and swap have same allocator propagation semantics
and exceptions specification as base class.
* include/profile/vector: Likewise.
(vector::push_back(_Tp&&)): Forward argument as rvalue.
* testsuite/23_containers/vector/debug/alloc_prop.cc: New.
* doc/xml/manual/status_cxx2011.xml: Clarify status of container
requirements with respect to allocators.
(status.iso.200x): Add anchor for old ID to preserve existing links.
From-SVN: r181189
* include/bits/shared_ptr_base.h (_Sp_counted_ptr): Make 'final'.
(_Sp_counted_deleter): Make 'final'. Use allocator_traits.
(_Sp_counted_ptr_inplace): Make 'final'. Use allocator_traits.
Derive from _Sp_counted_ptr instead of _Sp_counted_deleter to use EBO
for the allocator.
(__shared_count, __shared_ptr): Use allocator_traits.
* include/std/future (__future_base::_Result_alloc): Make 'final'. Use
allocator traits.
(__future_base::_Task_state): Make 'final'.
(__future_base::_Deferred_state): Likewise.
(__future_base::_Async_state): Likewise.
* testsuite/20_util/shared_ptr/cons/alloc_min.cc: New.
* testsuite/20_util/shared_ptr/creation/alloc_min.cc: New.
* testsuite/20_util/shared_ptr/creation/private.cc: New.
* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust line numbers.
* testsuite/30_threads/packaged_task/cons/alloc_min.cc: New.
* testsuite/30_threads/promise/cons/alloc_min.cc: New.
From-SVN: r181171
* include/std/future (__future_base::_Ptr): Use alias-declaration.
(__is_same_pkgdtask): Rename to __constrain_pkgdtask and use decay
instead of remove_reference so that cv-quals are removed.
From-SVN: r181145
2011-11-07 Andrew MacLeod <amacleod@redhat.com>
libstdc++-v3
* include/bits/atomic_base.h (atomic_thread_fence): Call builtin.
(atomic_signal_fence): Call builtin.
(atomic_flag::test_and_set): Call __atomic_exchange when it is lockfree,
otherwise fall back to call __sync_lock_test_and_set.
(atomic_flag::clear): Call __atomic_store when it is lockfree,
otherwise fall back to call __sync_lock_release.
gcc
* doc/extend.texi: Docuemnt behaviour change for __atomic_exchange and
__atomic_store.
* optabs.c (expand_atomic_exchange): Expand to __sync_lock_test_and_set
only when originated from that builtin.
(expand_atomic_store): Expand to __sync_lock_release when originated
from that builtin.
* builtins.c (expand_builtin_sync_lock_test_and_set): Add flag that
expand_atomic_exchange call originated from here.
(expand_builtin_sync_lock_release): Add flag that expand_atomic_store
call originated from here.
(expand_builtin_atomic_exchange): Add origination flag.
(expand_builtin_atomic_store): Add origination flag.
* expr.h (expand_atomic_exchange, expand_atomic_store): Add boolean
parameters to indicate implementation fall back options.
From-SVN: r181111
