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unexpected ',' separator diagnostic does not point to , token

diagnostics qualityBug: The quality of compiler diagnosticsBug: The quality of compiler diagnostics

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

Status: Open.

Bug

#89405 In swiftlang/swift;

· hnrklssn opened on May 25, 2026

[IRGen][6.2 regression] Inverse-only existential emits swift_getExtendedExistentialTypeMetadata, crashing on iOS 15

Status: Open.

#89402 In swiftlang/swift;

· xjchuan opened on May 25, 2026

LOW: Missing SECURITY.md for 70K star project

Status: Open.

#89401 In swiftlang/swift;

· olliekirbyz548-ui opened on May 25, 2026

Variables in disconnected region inside a nonisolated(nonsending) closure shouldn't be transferred

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

region-based isolation checker

Status: Open.

Bug

#89399 In swiftlang/swift;

· rayx opened on May 25, 2026

Assertion failed: (inserted), function addFix at ConstraintSystem.cpp

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

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

expressionsFeature: expressionsFeature: expressions

Status: Open.

Bug

#89398 In swiftlang/swift;

· YuanchengJiang opened on May 25, 2026

Peer macro-generated protocol requirement crashes when dispatched through existential

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.

Bug

#89397 In swiftlang/swift;

· broken-circle opened on May 25, 2026

[Embedded] Defining external dependencies in Swift causes a compiler crash.

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.

Bug

#89396 In swiftlang/swift;

· SP2G50000 opened on May 24, 2026

[release/6.3] Backport request: PR #87066 (Demangler inverse-assoc cases) — fix for Atomic<Tagged<…>> runtime metadata SIGSEGV in Apple Swift 6.3.x

Status: Open.

#89389 In swiftlang/swift;

· coenttb opened on May 23, 2026

Warnings about conversion of @isolated(any) functions to synchronous functions in Observation

@isolated(any)Feature → attributes: The "isolated(any)" attributeFeature → attributes: The "isolated(any)" attribute

ObservationArea → standard library: The `Observation` module under the standard library umbrellaArea → standard library: The `Observation` module under the standard library umbrella

Status: Open.

Bug

#89361 In swiftlang/swift;

· tshortli opened on May 22, 2026

[SIL] Compiler crash in CopyPropagation: "Found over consume?!" / "Found ownership error?!" when specializing Array.== for a class with a recursive optional reference

Status: Open.

#89324 In swiftlang/swift;

· sebhb opened on May 21, 2026

Crash with typed/untyped throwing async functions on Wasm

async & awaitFeature → concurrency: asynchronous function aka the async/await patternFeature → concurrency: asynchronous function aka the async/await pattern

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

throwFeature → error handling: Throw statementsFeature → error handling: Throw statements

typed throwsFeature → error handling → throws & rethrows: Typed throwsFeature → error handling → throws & rethrows: Typed throws

Status: Open.

Bug

#89320 In swiftlang/swift;

· MaxDesiatov opened on May 21, 2026

A minor issue in a diagnostic message: inaccurate return value name

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

Status: Open.

Bug

#89317 In swiftlang/swift;

· rayx opened on May 21, 2026