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A few fixes from testing

6

Fixes rdar://109838935&109834813&109837096&110071334&109838608&109832749 Each commit describes what it fixes specifically.

zoecarver

Tracking issue to list all known issues related to C++ interoperability support in Swift 5.9

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This issue contains a list of all known limitations and other issues related to C++ interoperability support in the **Swift 5.9** release of Swift. Not known issues are not listed...

hyp

# Must-fixes for Swift-5.9 This section tracks all of the C++ interoperability fixes we would like to have in the Swift-5.9 release. They're categorized by different groups presented below: ##...

hyp

As reported here: https://forums.swift.org/t/undefined-symbol-when-using-c-interop-and-url-bookmark/65444

hyp

Sema: Reword diagnostics to say 'without a type annotation' instead of 'without more context'

1

slavapestov

[Serialization] Display contextual notes on deserialization errors and misconfigurations

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Since #65713 the Swift compiler raises a proper error instead of crashing when hitting a deserialization issue likely caused by broken modularization or project settings. This PR makes these diagnostics...

xymus

Avoid emitting variable debug info for closure captures.

3

Variable debug info is triggered by pattern bindings, however, inside a closure capture list, this should be avoided by setting the appropriate flag in the initializer object. rdar://110329894 (cherry picked...

adrian-prantl

🍒[Observation] Add property definite initialization support

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This adds definite initialization support for `@Observable` types. This lifts the requirement for observable types needing all properties to be initialized with default values. Resolves: rdar://110378123

phausler

[Observation] Add property definite initialization support

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This is a draft adoption of what the definite initialization feature adoption for the `@Observable` macro would look like (given the pitched syntax).

phausler

[Backtracing][Linux] Include declarations for gettid() and tgkill().

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Older glibc doesn't include these. Nor does Musl, it seems. The previous fix put the `gettid()` declaration too far down the file. rdar://110417355

al45tair