https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110367
Bug ID: 110367 Summary: [C++26] Add new built-in for std::is_within_lifetime Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: redi at gcc dot gnu.org Blocks: 110366 Target Milestone: --- This is needed for https://wg21.link/p2641r4 which was recently voted into the C++26 draft. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110366 [Bug 110366] [C++26] P2641R4 Checking if a union alternative is active