Richard Smith 24ad121582 Add -std=c++20 flag, replace C++2a with C++20 throughout the Clang ... user interface and documentation, and update __cplusplus for C++20. WG21 considers the C++20 standard to be finished (even though it still has some more steps to pass through in the ISO process). The old flag names are accepted for compatibility, as usual, and we still have lots of references to C++2a in comments and identifiers; those can be cleaned up separately.		2020-02-18 16:16:37 -08:00
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basic.lookup.argdep	[Sema] ADL: Associated namespaces for class types and enumeration types (CWG 1691)	2019-04-22 12:19:00 +00:00
basic.lookup.classref	…
basic.lookup.elab	…
basic.lookup.qual	When diagnosing the lack of a viable conversion function, also list	2020-01-09 15:15:02 -08:00
basic.lookup.udir	…
basic.lookup.unqual	Add -std=c++20 flag, replace C++2a with C++20 throughout the Clang	2020-02-18 16:16:37 -08:00