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* [Bug c++/98486] New: Variable template specialization doesn't account for primary's constraints
@ 2020-12-31 6:57 johelegp at gmail dot com
2021-07-22 14:08 ` [Bug c++/98486] " redi at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: johelegp at gmail dot com @ 2020-12-31 6:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98486
Bug ID: 98486
Summary: Variable template specialization doesn't account for
primary's constraints
Product: gcc
Version: 11.0
URL: https://godbolt.org/z/jon9ea
Status: UNCONFIRMED
Keywords: accepts-invalid
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: johelegp at gmail dot com
Target Milestone: ---
See https://godbolt.org/z/jon9ea.
```C++
template<class>concept C=false;
template<C>int v;
struct X{};
template<>X v<X>;
```
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug c++/98486] Variable template specialization doesn't account for primary's constraints 2020-12-31 6:57 [Bug c++/98486] New: Variable template specialization doesn't account for primary's constraints johelegp at gmail dot com @ 2021-07-22 14:08 ` redi at gcc dot gnu.org 2021-09-15 18:20 ` ppalka at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: redi at gcc dot gnu.org @ 2021-07-22 14:08 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98486 Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-07-22 Ever confirmed|0 |1 Blocks| |67491 Status|UNCONFIRMED |NEW Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 [Bug 67491] [meta-bug] concepts issues ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/98486] Variable template specialization doesn't account for primary's constraints 2020-12-31 6:57 [Bug c++/98486] New: Variable template specialization doesn't account for primary's constraints johelegp at gmail dot com 2021-07-22 14:08 ` [Bug c++/98486] " redi at gcc dot gnu.org @ 2021-09-15 18:20 ` ppalka at gcc dot gnu.org 2021-09-16 19:04 ` cvs-commit at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: ppalka at gcc dot gnu.org @ 2021-09-15 18:20 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98486 Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |11.3 CC| |ppalka at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |ppalka at gcc dot gnu.org Status|NEW |ASSIGNED ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/98486] Variable template specialization doesn't account for primary's constraints 2020-12-31 6:57 [Bug c++/98486] New: Variable template specialization doesn't account for primary's constraints johelegp at gmail dot com 2021-07-22 14:08 ` [Bug c++/98486] " redi at gcc dot gnu.org 2021-09-15 18:20 ` ppalka at gcc dot gnu.org @ 2021-09-16 19:04 ` cvs-commit at gcc dot gnu.org 2021-10-06 14:15 ` cvs-commit at gcc dot gnu.org 2021-10-06 14:18 ` ppalka at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2021-09-16 19:04 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98486 --- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Patrick Palka <ppalka@gcc.gnu.org>: https://gcc.gnu.org/g:2e2e65a46d2674bed53afd211493876ee2b79453 commit r12-3585-g2e2e65a46d2674bed53afd211493876ee2b79453 Author: Patrick Palka <ppalka@redhat.com> Date: Thu Sep 16 15:03:55 2021 -0400 c++: constrained variable template issues [PR98486] This fixes some issues with constrained variable templates: - Constraints aren't checked when explicitly specializing a variable template. - Constraints aren't attached to a static data member template at parse time. - Constraints don't get propagated when (partially) instantiating a static data member template, so we need to make sure to look up constraints using the most general template during satisfaction. PR c++/98486 gcc/cp/ChangeLog: * constraint.cc (get_normalized_constraints_from_decl): Always look up constraints using the most general template. * decl.c (grokdeclarator): Set constraints on a static data member template. * pt.c (determine_specialization): Check constraints on a variable template. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/concepts-var-templ1.C: New test. * g++.dg/cpp2a/concepts-var-templ1a.C: New test. * g++.dg/cpp2a/concepts-var-templ1b.C: New test. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/98486] Variable template specialization doesn't account for primary's constraints 2020-12-31 6:57 [Bug c++/98486] New: Variable template specialization doesn't account for primary's constraints johelegp at gmail dot com ` (2 preceding siblings ...) 2021-09-16 19:04 ` cvs-commit at gcc dot gnu.org @ 2021-10-06 14:15 ` cvs-commit at gcc dot gnu.org 2021-10-06 14:18 ` ppalka at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2021-10-06 14:15 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98486 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Patrick Palka <ppalka@gcc.gnu.org>: https://gcc.gnu.org/g:729cf2ea979f396e706625b1669087d5920b8c2a commit r11-9081-g729cf2ea979f396e706625b1669087d5920b8c2a Author: Patrick Palka <ppalka@redhat.com> Date: Thu Sep 16 15:03:55 2021 -0400 c++: constrained variable template issues [PR98486] This fixes some issues with constrained variable templates: - Constraints aren't checked when explicitly specializing a variable template. - Constraints aren't attached to a static data member template at parse time. - Constraints don't get propagated when (partially) instantiating a static data member template, so we need to make sure to look up constraints using the most general template during satisfaction. PR c++/98486 gcc/cp/ChangeLog: * constraint.cc (get_normalized_constraints_from_decl): Always look up constraints using the most general template. * decl.c (grokdeclarator): Set constraints on a static data member template. * pt.c (determine_specialization): Check constraints on a variable template. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/concepts-var-templ1.C: New test. * g++.dg/cpp2a/concepts-var-templ1a.C: New test. * g++.dg/cpp2a/concepts-var-templ1b.C: New test. (cherry picked from commit 2e2e65a46d2674bed53afd211493876ee2b79453) ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/98486] Variable template specialization doesn't account for primary's constraints 2020-12-31 6:57 [Bug c++/98486] New: Variable template specialization doesn't account for primary's constraints johelegp at gmail dot com ` (3 preceding siblings ...) 2021-10-06 14:15 ` cvs-commit at gcc dot gnu.org @ 2021-10-06 14:18 ` ppalka at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: ppalka at gcc dot gnu.org @ 2021-10-06 14:18 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98486 Patrick Palka <ppalka at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED --- Comment #3 from Patrick Palka <ppalka at gcc dot gnu.org> --- Fixed for GCC 11.3 and 12. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-10-06 14:18 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-12-31 6:57 [Bug c++/98486] New: Variable template specialization doesn't account for primary's constraints johelegp at gmail dot com 2021-07-22 14:08 ` [Bug c++/98486] " redi at gcc dot gnu.org 2021-09-15 18:20 ` ppalka at gcc dot gnu.org 2021-09-16 19:04 ` cvs-commit at gcc dot gnu.org 2021-10-06 14:15 ` cvs-commit at gcc dot gnu.org 2021-10-06 14:18 ` ppalka at gcc dot gnu.org
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