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* [Bug c++/50500] New: [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared
@ 2011-09-23 23:59 jason at gcc dot gnu.org
2011-10-17 19:43 ` [Bug c++/50500] " jason at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: jason at gcc dot gnu.org @ 2011-09-23 23:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50500
Bug #: 50500
Summary: [C++0x] [DR 1082] move constructor should cause copy
constructor to be deleted, but still declared
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: jason@gcc.gnu.org
G++ still suppresses the copy constructor declaration when there is a move
constructor, which was changed by DR 1082.
This should complain about a deleted function:
template <class T> T&& move(T& t);
struct X
{
X() : x(1) {}
explicit X(X&& other) : x(other.x) { other.x = -1; }
int x;
};
int main()
{
X x;
X x2 = move(x); // { dg-error "deleted" }
}
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/50500] [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared
2011-09-23 23:59 [Bug c++/50500] New: [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared jason at gcc dot gnu.org
@ 2011-10-17 19:43 ` jason at gcc dot gnu.org
2011-10-18 17:41 ` jason at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: jason at gcc dot gnu.org @ 2011-10-17 19:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50500
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011-10-17
AssignedTo|unassigned at gcc dot |jason at gcc dot gnu.org
|gnu.org |
Ever Confirmed|0 |1
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/50500] [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared
2011-09-23 23:59 [Bug c++/50500] New: [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared jason at gcc dot gnu.org
2011-10-17 19:43 ` [Bug c++/50500] " jason at gcc dot gnu.org
@ 2011-10-18 17:41 ` jason at gcc dot gnu.org
2011-10-18 18:06 ` jason at gcc dot gnu.org
2011-11-01 13:49 ` jason at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: jason at gcc dot gnu.org @ 2011-10-18 17:41 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50500
--- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> 2011-10-18 17:39:26 UTC ---
Author: jason
Date: Tue Oct 18 17:39:15 2011
New Revision: 180159
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180159
Log:
PR c++/50500
DR 1082
* class.c (type_has_user_declared_move_constructor): New.
(type_has_user_declared_move_assign): New.
(add_implicitly_declared_members): Add lazy copy ops
even if there's a move.
* method.c (lazily_declare_fn): Delete implicit copies
if there's a move.
(maybe_explain_implicit_delete): Explain this. Use inform rather
than error.
* cp-tree.h: Declare new fns.
Added:
trunk/gcc/testsuite/g++.dg/cpp0x/implicit12.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/class.c
trunk/gcc/cp/cp-tree.h
trunk/gcc/cp/method.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/cpp0x/defaulted20.C
trunk/gcc/testsuite/g++.dg/cpp0x/defaulted21.C
trunk/gcc/testsuite/g++.dg/cpp0x/implicit-copy.C
trunk/gcc/testsuite/g++.dg/cpp0x/implicit4.C
trunk/gcc/testsuite/g++.dg/cpp0x/implicit5.C
trunk/gcc/testsuite/g++.dg/cpp0x/implicit8.C
trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ice2.C
trunk/gcc/testsuite/g++.dg/cpp0x/not_special.C
trunk/gcc/testsuite/g++.dg/cpp0x/rv-trivial-bug.C
trunk/gcc/testsuite/g++.dg/cpp0x/rv1n.C
trunk/gcc/testsuite/g++.dg/cpp0x/rv2n.C
trunk/gcc/testsuite/g++.dg/cpp0x/rv3n.C
trunk/gcc/testsuite/g++.dg/cpp0x/rv4n.C
trunk/gcc/testsuite/g++.dg/cpp0x/rv5n.C
trunk/gcc/testsuite/g++.dg/cpp0x/rv6n.C
trunk/gcc/testsuite/g++.dg/cpp0x/rv7n.C
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/include/bits/shared_ptr.h
trunk/libstdc++-v3/testsuite/20_util/weak_ptr/comparison/cmp_neg.cc
trunk/libstdc++-v3/testsuite/util/testsuite_allocator.h
trunk/libstdc++-v3/testsuite/util/testsuite_rvalref.h
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/50500] [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared
2011-09-23 23:59 [Bug c++/50500] New: [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared jason at gcc dot gnu.org
2011-10-17 19:43 ` [Bug c++/50500] " jason at gcc dot gnu.org
2011-10-18 17:41 ` jason at gcc dot gnu.org
@ 2011-10-18 18:06 ` jason at gcc dot gnu.org
2011-11-01 13:49 ` jason at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: jason at gcc dot gnu.org @ 2011-10-18 18:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50500
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
Target Milestone|--- |4.7.0
--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> 2011-10-18 18:06:02 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/50500] [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared
2011-09-23 23:59 [Bug c++/50500] New: [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared jason at gcc dot gnu.org
` (2 preceding siblings ...)
2011-10-18 18:06 ` jason at gcc dot gnu.org
@ 2011-11-01 13:49 ` jason at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: jason at gcc dot gnu.org @ 2011-11-01 13:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50500
--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2011-11-01 13:48:21 UTC ---
Author: jason
Date: Tue Nov 1 13:48:16 2011
New Revision: 180738
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180738
Log:
PR c++/50500
DR 1082
* search.c (lookup_fnfields_idx_nolazy): Split out from...
(lookup_fnfields_1): ...here.
(lookup_fnfields_slot_nolazy): Use it.
* cp-tree.h: Declare it.
* class.c (type_has_move_assign): Use it.
(type_has_user_declared_move_assign): Likewise.
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/class.c
trunk/gcc/cp/cp-tree.h
trunk/gcc/cp/search.c
^ permalink raw reply [flat|nested] 5+ messages in thread
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2011-09-23 23:59 [Bug c++/50500] New: [C++0x] [DR 1082] move constructor should cause copy constructor to be deleted, but still declared jason at gcc dot gnu.org
2011-10-17 19:43 ` [Bug c++/50500] " jason at gcc dot gnu.org
2011-10-18 17:41 ` jason at gcc dot gnu.org
2011-10-18 18:06 ` jason at gcc dot gnu.org
2011-11-01 13:49 ` jason at gcc dot gnu.org
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