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From: "johelegp at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/102284] New: Can access object outside of its lifetime during constant evaluation Date: Fri, 10 Sep 2021 20:57:21 +0000 [thread overview] Message-ID: <bug-102284-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102284 Bug ID: 102284 Summary: Can access object outside of its lifetime during constant evaluation Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: accepts-invalid Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: johelegp at gmail dot com CC: johelegp at gmail dot com Target Milestone: --- This is prohibited at https://eel.is/c++draft/basic.life#7.1. See https://godbolt.org/z/exKnnT935. ```C++ #include <memory> struct X { int x; }; int main() { []() consteval { { X x{}; x.~X(); ++x.x; std::construct_at(&x); } { union { X x{}; }; x.~X(); ++x.x; } }(); } ```
next reply other threads:[~2021-09-10 20:57 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-10 20:57 johelegp at gmail dot com [this message] 2021-09-10 21:23 ` [Bug c++/102284] " johelegp at gmail dot com 2021-09-10 21:24 ` johelegp at gmail dot com 2021-09-10 21:26 ` pinskia at gcc dot gnu.org 2021-09-11 1:04 ` johelegp at gmail dot com 2022-01-17 11:12 ` pinskia at gcc dot gnu.org 2022-09-24 20:11 ` johelegp at gmail dot com 2022-09-27 1:40 ` johelegp at gmail dot com
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