5.10: [interop][SwiftToCxx] ensure Swift generic types can be used as template parameters to other Swift generic types in C++ #69523
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…additional copy Fixes swiftlang#69372
…lues are released after parameter copy is consumed
…C++ to Swift invocations
…eir ownership is not yet managed at the language boundary
…ate parameters to other Swift generic types in C++ rdar://117015962
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@swift-ci please test |
DougGregor
approved these changes
Oct 30, 2023
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@swift-ci please test windows platform |
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Based on #69522, see last commit only for the diff - 1e75ae9
rdar://117015962
C++
isUsableInGenericContexttype trait in the generated header didn't correctly specialize for generic Swift types, leading to compile errors for users that exposed APIs that composed generic types of generic types, e.g.Optional<Array<Int>>. This change adds correctisUsableInGenericContextspecialization for generic types.