[PATCH] LWG 2996 add rvalue overloads for shared_ptr aliasing and casting

[Jonathan Wakely]

On 24/05/19 11:02 +0200, Christophe Lyon wrote:
>Hi Jonathan,
>
>On Thu, 23 May 2019 at 23:40, Jonathan Wakely <jwakely@redhat.com> wrote:
>>
>>         * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
>>         * doc/html/*: Regenerate.
>>         * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
>>         rvalue aliasing constructor.
>>         (static_pointer_cast, const_pointer, dynamic_pointer_cast)
>>         (reinterpret_pointer_cast): Add overloads taking rvalues.
>>         * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
>>         Add rvalue aliasing constructor.
>>         * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
>>         "run" and check return values as well as types.
>>         * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
>>         * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
>>         * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
>>         * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
>>         values.
>>
>> Tested powerpc64le-linux, committed to trunk.
>>
>
>As you may have noticed, the new test alias-rval.cc fails on arm and
>aarch64, and other targets according to gcc-testresults@

Yes, for some reason that test didn't run on the machine I tested on
... not sure why. Fix coming shortly ...