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| author | Jason Merrill <jason@redhat.com> | 2018-05-20 23:53:00 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2018-05-20 23:53:00 -0400 |
| commit | f3f7cefecc833b4ab652215ceb8b408c21dca225 (patch) | |
| tree | 9874a8cafa6b8a4fd4a1ee07f1857b4fc2018925 | |
| parent | 777083bb806dbe31ab97002b7d445191d3ee7a2d (diff) | |
| download | gcc-f3f7cefecc833b4ab652215ceb8b408c21dca225.zip gcc-f3f7cefecc833b4ab652215ceb8b408c21dca225.tar.gz gcc-f3f7cefecc833b4ab652215ceb8b408c21dca225.tar.bz2 | |
PR libstdc++/85843 - warning in logic_error copy constructor.
* class.c (type_has_user_nondefault_constructor): Check for a
user-provided ctor, not user-declared.
From-SVN: r260432
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/class.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/Wextra-4.C | 15 |
3 files changed, 23 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 92039fa..29edd5f 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2018-05-20 Jason Merrill <jason@redhat.com> + + PR libstdc++/85843 - warning in logic_error copy constructor. + * class.c (type_has_user_nondefault_constructor): Check for a + user-provided ctor, not user-declared. + 2018-05-19 Jason Merrill <jason@redhat.com> * pt.c (tsubst_pack_expansion): Sorry rather than abort diff --git a/gcc/cp/class.c b/gcc/cp/class.c index 4960b4b..a9a0fa9 100644 --- a/gcc/cp/class.c +++ b/gcc/cp/class.c @@ -4884,7 +4884,7 @@ default_ctor_p (tree fn) && sufficient_parms_p (FUNCTION_FIRST_USER_PARMTYPE (fn))); } -/* Returns true iff class T has a user-defined constructor that can be called +/* Returns true iff class T has a user-provided constructor that can be called with more than zero arguments. */ bool @@ -4896,7 +4896,7 @@ type_has_user_nondefault_constructor (tree t) for (ovl_iterator iter (CLASSTYPE_CONSTRUCTORS (t)); iter; ++iter) { tree fn = *iter; - if (!DECL_ARTIFICIAL (fn) + if (user_provided_p (fn) && (TREE_CODE (fn) == TEMPLATE_DECL || (skip_artificial_parms_for (fn, DECL_ARGUMENTS (fn)) != NULL_TREE))) diff --git a/gcc/testsuite/g++.dg/warn/Wextra-4.C b/gcc/testsuite/g++.dg/warn/Wextra-4.C new file mode 100644 index 0000000..5c33c27 --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wextra-4.C @@ -0,0 +1,15 @@ +// PR libstdc++/85843 +// { dg-do compile { target c++11 } } +// { dg-additional-options -Wextra } + +struct A +{ + A(); + A(const A&) = default; +}; + +struct B : A +{ + B(): A() { } + B(const B&) { } +}; |