Alastair Houghton 06f10b8084 [Clang][ObjC] Add optionality to property attribute strings. (#66507) ...

Add a new attribute, "?", to the property attribute string for
properties of protocols that are declared @optional.

(Previously https://reviews.llvm.org/D135273)

rdar://100463524

2023-09-26 08:30:31 -07:00

2.2 KiB

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