commit a00d36cdbeff9e44080a9242647747a394d83441
author redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> Thu May 23 21:41:02 2019 +0000
committer redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> Thu May 23 21:41:02 2019 +0000
tree 67451d2c9a410bc5b50675eb33d8405ddc6aa134
parent e0a966c08abce40ca9dbd399766576f0dfecbcb5

LWG 2996 add rvalue overloads for shared_ptr aliasing and casting

	* 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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271583 138bc75d-0d04-0410-961f-82ee72b054a4