[Bug c++/58407] [C++11] Should warn about deprecated implicit generation of copy constructor/assignment

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58407

--- Comment #15 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri May 18 20:02:48 2018
New Revision: 260381

URL: https://gcc.gnu.org/viewcvs?rev=260381&root=gcc&view=rev
Log:
        PR c++/58407 - deprecated implicit copy ops.

gcc/c-family/
        * c.opt (Wdeprecated-copy): New flag.
gcc/cp/
        * call.c (build_over_call): Warn about deprecated trivial fns.
        * class.c (classtype_has_user_copy_or_dtor): New.
        (type_build_ctor_call): Check TREE_DEPRECATED.
        (type_build_dtor_call): Likewise.
        * decl2.c (cp_warn_deprecated_use): Move from tree.c.
        Add checks.  Return bool.  Handle -Wdeprecated-copy.
        (mark_used): Use it.
        * decl.c (grokdeclarator): Remove redundant checks.
        * typeck2.c (build_functional_cast): Likewise.
        * method.c (lazily_declare_fn): Mark deprecated copy ops.
        * init.c (build_aggr_init): Only set TREE_USED if there are
        side-effects.
libitm/
        * beginend.cc (save): Disable -Werror=deprecated-copy.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/depr-copy1.C
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c.opt
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/cp/class.c
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/decl.c
    trunk/gcc/cp/decl2.c
    trunk/gcc/cp/init.c
    trunk/gcc/cp/method.c
    trunk/gcc/cp/tree.c
    trunk/gcc/cp/typeck2.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/g++.old-deja/g++.other/warn6.C
    trunk/libitm/ChangeLog
    trunk/libitm/beginend.cc