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Conforming an actor type with a synchronous initializer to an async init protocol requirement crashes the compiler

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

conformancesFeature → protocol: protocol conformancesFeature → protocol: protocol conformances

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

IRGenLLVM IR generationLLVM IR generation

Status: Open.

#76529 In swiftlang/swift;

· fwcd opened on Sep 17, 2024

Pattern that the region-based isolation checker does not understand how to check

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

actor isolationFeature → concurrency: Actor isolationFeature → concurrency: Actor isolation

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

expressionsFeature: expressionsFeature: expressions

internal errorBug: Internal errorBug: Internal error

SIL

swift 6.0

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#75441 In swiftlang/swift;

· samsonjs opened on Jul 24, 2024

Pattern that the region based isolation checker does not understand how to check

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

actor isolationFeature → concurrency: Actor isolationFeature → concurrency: Actor isolation

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

expressionsFeature: expressionsFeature: expressions

internal errorBug: Internal errorBug: Internal error

SIL

swift 6.0

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#75439 In swiftlang/swift;

· yonihemi opened on Jul 24, 2024

The region based isolation checker does not understand how to check.

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

actor isolationFeature → concurrency: Actor isolationFeature → concurrency: Actor isolation

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

internal errorBug: Internal errorBug: Internal error

SIL

swift 6.0

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#75314 In swiftlang/swift;

· vookimedlo opened on Jul 17, 2024

Reconsider the type of <code>self</code> of an actor to actually be Self

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

declarationsFeature: declarationsFeature: declarations

Self in classFeature → types: The 'Self' type in classesFeature → types: The 'Self' type in classes

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

Status: Open.

Task

#70954 In swiftlang/swift;

· ktoso opened on Jan 17, 2024

Main function provided by extension function for protocol is not MainActor

@mainFeature → attributes: the @main attributeFeature → attributes: the @main attribute

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

actor isolationFeature → concurrency: Actor isolationFeature → concurrency: Actor isolation

attributesFeature: Declaration and type attributesFeature: Declaration and type attributes

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

conformancesFeature → protocol: protocol conformancesFeature → protocol: protocol conformances

declarationsFeature: declarationsFeature: declarations

default implementationsFeature → protocol → conformances: default implementationsFeature → protocol → conformances: default implementations

extensionFeature → declarations: `extension` declarationsFeature → declarations: `extension` declarations

protocolFeature → type declarations: Protocol declarationsFeature → type declarations: Protocol declarations

swift 5.9

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

unexpected behaviorBug: Unexpected behavior or incorrect outputBug: Unexpected behavior or incorrect output

Status: Open.

#65794 In swiftlang/swift;

· kiootic opened on May 9, 2023

Sendable warning produced for unused non-Sendable result value

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

actor isolationFeature → concurrency: Actor isolationFeature → concurrency: Actor isolation

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

featureA feature request or implementationA feature request or implementation

improvement

swift 5.8

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

Status: Open.

#65463 In swiftlang/swift;

· itaiferber opened on Apr 27, 2023

MainActor is not working

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

missing infoResolution: Is missing crucial info such as a test case or a concise descriptionResolution: Is missing crucial info such as a test case or a concise description

swift 5.7

unexpected behaviorBug: Unexpected behavior or incorrect outputBug: Unexpected behavior or incorrect output

Status: Open.

#64767 In swiftlang/swift;

· miku1958 opened on Mar 30, 2023

Compiler crash with SegFault11 with actors/task/implicit self combinations

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

Status: Open.

#64605 In swiftlang/swift;

· PoltoraIvana opened on Mar 24, 2023

[Question] Is it possible to declare Protocol with actor inheritance and @MainActor

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

diagnostics QoIBug: Diagnostics Quality of ImplementationBug: Diagnostics Quality of Implementation

missing warningBug: Missing warningBug: Missing warning

protocolFeature → type declarations: Protocol declarationsFeature → type declarations: Protocol declarations

swift 5.7

Status: Open.

#64383 In swiftlang/swift;

· fummicc1 opened on Mar 15, 2023

Capturing a local var does not bind a task to the actor's context

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

swift 5.8

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#63773 In swiftlang/swift;

· rnapier opened on Feb 18, 2023

Passing actor as parameter to another actor causes compiler assertion failure

actorFeature → concurrency: `actor` declarationsFeature → concurrency: `actor` declarations

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

SILGenArea → compiler: The SIL generation stageArea → compiler: The SIL generation stage

Status: Open.

#62731 In swiftlang/swift;

· gregcotten opened on Dec 21, 2022