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[6.2][Concurrency] Fix task status and private storage sizes.

2

ActiveTaskStatusSize is 2 words, not 4, on most targets. PrivateStorageSize is measured in bytes, not words, so the Storage field needs to be a char[]. rdar://148836760

mikeash

[6.2] SILGen: Use [unsafe] access markers for move-only storage when exclus…

1

…ivity enforcement is disabled. The move-only checker relies on access markers to understand access scopes, so eliding them entirely leads to miscompiles. We can emit `begin_access [unsafe]` to semantically delimit...

jckarter

[6.1][cxx-interop] Fix nested structs for non-opaque types

1

Explanation: Fixes an issue where the generated reverse interop header would not compile for nested types when library evolution is off. While this is a bug in a new feature...

Xazax-hun

[6.2][cxx-interop] Fix nested structs for non-opaque types

1

Explanation: Fixes an issue where the generated reverse interop header would not compile for nested classes when library evolution is turned off. Scope: C++ reverse interop for nested classes for...

Xazax-hun

[6.2] Add support for inout lifetime dependencies

2

Add support for spelling lifetime dependencies on mutable sources as `@lifetime(&arg)`. Previously this was spelled as `@lifetime(borrow arg)` and caused some confusion to developers. This is purely a syntactic change...

meg-gupta

[SILOptimizer] Eliminate identical KeyPath instructions in CSE

7

Previously when referencing the same key path, SIL wasn't eliminating the identical `keypath` instructions with the same patterns. This was pretty unfortunate because each `keypath` instruction that makes its way...

Azoy

In `resolveClosureType` allow binding a closure parameter (when it's a free type variable) to a contextual type that is a pack expansion and otherwise valid. Resolves: [#78426](https://github.com/swiftlang/swift/issues/78426)

jameesbrown

[Concurrency] Fix task status and private storage sizes.

7

ActiveTaskStatusSize is 2 words, not 4, on most targets. PrivateStorageSize is measured in bytes, not words, so the Storage field needs to be a char[]. rdar://148836760

mikeash

[Concurrency] Implement an experimental feature for setting default actor isolation per file using a typealias.

3

This feature is gated behind the `DefaultIsolationTypealias` experimental feature flag. Pitch discussion is at https://forums.swift.org/t/pitch-a-typealias-for-per-file-default-actor-isolation/79150. Please leave design feedback on the forums!

hborla

IRGen: Don't stored the current async frame to llvm.swift.async.context.addr twice

2

rdar://148826951

aschwaighofer