Dario Rexin 2f8c1a402c [IRGen] Make pointers to accessor functions in layout strings relative (#64155) ...

* [IRGen] Make pointers to accessor functions in layout strings relative

rdar://106319336

Pointers embedded in static layout strings should always be relative, so layout strings can reside in read-only memory.

* Properly handle reference storage ownership

* Pass layout tag and metadata / type layout ppointers separately

* Layout string instantiation fully working

* Fix cases where hasLayoutString flag was not set when it should have

* Update include/swift/ABI/Metadata.h

2023-03-17 09:02:51 -07:00

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