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IRGenDebugInfo.cpp: Assertion failed: (OffsetInBits + SizeInBits <= getSizeInBits(Var) && "pars > totum"), in emitVariableDeclaration

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.

#83734 In swiftlang/swift;

· tayloraswift opened on Aug 14, 2025

typechecker regression when calling protocol requirement through an existential of a refining protocol

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

constrained existentialsFeature → existentials: constrained existentials such as 'any Collection<Int>'Feature → existentials: constrained existentials such as 'any Collection<Int>'

existential member accessesFeature → existentials: existential member accessesFeature → existentials: existential member accesses

existentialsFeature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased valuesFeature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values

genericsFeature: generic declarations and typesFeature: generic declarations and types

regression

swift 6.1

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

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#81712 In swiftlang/swift;

· tayloraswift opened on May 22, 2025

Reference to invalid type alias when using same type requirement, plus a cohabiting class in the same scope

associated type inference

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.

#81683 In swiftlang/swift;

· tayloraswift opened on May 21, 2025

type checker regression on 6.1 in subtyping rules for tuple labels

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

implicit conversionsFeature: implicit conversionsFeature: implicit conversions

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

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

Status: Open.

#80902 In swiftlang/swift;

· tayloraswift opened on Apr 18, 2025

(lib/SymbolGraphGen) incorrect parsing of concrete <code>Self</code> type tokens in function signatures

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.

#78343 In swiftlang/swift;

· tayloraswift opened on Dec 21, 2024

Bad pointer dereference in swift::GenericEnvironment::forEachPackElementBinding(_:_:)

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.

#77113 In swiftlang/swift;

· tayloraswift opened on Oct 18, 2024

(lib/SymbolGraphGen) types should not inherit extension members from <code>@available(*, unavailable)</code> conformances

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.

#76877 In swiftlang/swift;

· tayloraswift opened on Oct 4, 2024

(lib/SymbolGraphGen) conformance conditions do not match generic constraints of associated extension block

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.

#76559 In swiftlang/swift;

· tayloraswift opened on Sep 18, 2024

(lib/SymbolGraphGen) crash when emitting conditional conformances to protocol that inherits from underscored protocol

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.

#76499 In swiftlang/swift;

· tayloraswift opened on Sep 16, 2024

(lib/SymbolGraphGen) clip the ACL of nested declarations to the ACL of their lexical parents

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.

#75917 In swiftlang/swift;

· tayloraswift opened on Aug 15, 2024

(lib/SymbolGraphGen) types nested in @_exported types appear in the wrong subgraph

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.

#75916 In swiftlang/swift;

· tayloraswift opened on Aug 15, 2024

std::_Optional_base&lt;swift::constraints::SyntacticElementTarget, true, true&gt;]: Assertion 'this-&gt;_M_is_engaged()' failed

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

expressionsFeature: expressionsFeature: expressions

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

Status: Open.

#74794 In swiftlang/swift;

· tayloraswift opened on Jun 27, 2024