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[trunk] Compiler Error: (value->getOwnershipKind() != OwnershipKind::None), function forOwnedObjectRValue

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

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

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#86271 In swiftlang/swift;

· troughton opened on Jan 2, 2026

Compiler crash when SafeInteropWrappers generates wrappers for namespaced std::span functions

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

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

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#86269 In swiftlang/swift;

· cwalo opened on Jan 2, 2026

Invalid bitcast in non-copyable struct with pointer and TSAN

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

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

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#86265 In swiftlang/swift;

· WFT opened on Jan 2, 2026

Support default arguments in copy and move constructors

c++ interopFeature: Interoperability with C++Feature: Interoperability with C++

Status: Open.

#86260 In swiftlang/swift;

· susmonteiro opened on Jan 2, 2026

Strict Memory Checking C interop Doesn't Work on Android

AndroidPlatform: AndroidPlatform: Android

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

c interopFeature: Interoperability with CFeature: Interoperability with C

memory safetyFeature: memory safetyFeature: memory safety

Status: Open.

#86237 In swiftlang/swift;

· marcprux opened on Dec 30, 2025

Invalid conformance in type-checked AST after enabling ImplicitOpenExistentials

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

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

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#86236 In swiftlang/swift;

· dddavbeck opened on Dec 30, 2025

Ambiguous use of 'remove(at:)' error when using Array.remove in nested closure with @discardableResult

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

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#86233 In swiftlang/swift;

· Kyle-Ye opened on Dec 29, 2025

non-Sendable Metatype can cross isolation boundary without error/warning

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

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

Status: Open.

#86232 In swiftlang/swift;

· kntkymt opened on Dec 29, 2025

Compiler error when using not equal operator on static optional variable

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

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#86227 In swiftlang/swift;

· nickasd opened on Dec 28, 2025

crash on <code>copy</code> of any <code>borrowing</code> tuple parameter

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

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

ownershipFeature: Ownership modifiers and semanticsFeature: Ownership modifiers and semantics

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

Status: Open.

#86208 In swiftlang/swift;

· tayloraswift opened on Dec 25, 2025

Runtime crash when using result builder via synthesized initializer

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

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

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#86205 In swiftlang/swift;

· calda opened on Dec 25, 2025

Crash in swift_task_dealloc when multiple modules generate Task.sleep(for:) specialisations

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

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

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#86204 In swiftlang/swift;

· vsarunas opened on Dec 24, 2025