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[AutoDiff] Incorrect derivative value for some functions containing ternary operators

AutoDiff

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

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

swift 6.2

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

Status: Open.

#81777 In swiftlang/swift;

· kovdan01 opened on May 26, 2025

Swift compiler crashes when compiling function with incomplete error handling

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

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

Status: Open.

#81119 In swiftlang/swift;

· NSSimpleApps opened on Apr 26, 2025

Crash on accessing value of class-constrained PAT

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

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

Status: Open.

#80801 In swiftlang/swift;

· shivatinker opened on Apr 14, 2025

Parameter pack compilation crash "This isn't an lvalue" with 6.0.3 OSS toolchain but works with Xcode toolchain

assertion failureBug → crash: An assertion failureBug → crash: An assertion failure

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

parameter packsFeature → generics: Parameter packsFeature → generics: Parameter packs

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

Status: Open.

#79870 In swiftlang/swift;

· marcprux opened on Mar 9, 2025

Swift compiler often but-not-always crashes on async/await block using optional ObjC protocol method with callback

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

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

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

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

Status: Open.

#79319 In swiftlang/swift;

· palmin opened on Feb 12, 2025

Compiler crash with 'lazy var' that references element archetype

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

genericsFeature: generic declarations and typesFeature: generic declarations and types

pack iterationFeature → statements → for-in: Pack iterationFeature → statements → for-in: Pack iteration

parameter packsFeature → generics: Parameter packsFeature → generics: Parameter packs

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

swift 6.2

Status: Open.

Bug

#78690 In swiftlang/swift;

· hamishknight opened on Jan 16, 2025

Apparent compiler bug relating to Optional witnessing failable initializer requirement

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

conformancesFeature → protocol: protocol conformancesFeature → protocol: protocol conformances

initFeature → declarations: InitializersFeature → declarations: Initializers

OptionalArea → standard library: The `Optional` typeArea → standard library: The `Optional` type

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

swift 6.0

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

Status: Open.

#78409 In swiftlang/swift;

· jeremyabannister opened on Jan 2, 2025

Typed throw annotation crashes compiler

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

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

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

Status: Open.

#77880 In swiftlang/swift;

· DarkDust opened on Nov 30, 2024

Crash when opening existential of type AnyObject

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

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

expressionsFeature: expressionsFeature: expressions

implicit existential openingFeature → existentials: implicit opening of existentials when passed to parameters of generic typeFeature → existentials: implicit opening of existentials when passed to parameters of generic type

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

swift 6.1

typesFeature: typesFeature: types

Status: Open.

#77847 In swiftlang/swift;

· AdamCmiel opened on Nov 26, 2024

[swift 6] swift 6 on windows crashes while building optimized xctest with debug information for X86 windows target

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

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

swift 6.0

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

Status: Open.

#77722 In swiftlang/swift;

· hyp opened on Nov 19, 2024

Crash on unnamed property wrapped function 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.

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

function parametersFeature → declarations: function parametersFeature → declarations: function parameters

property wrappersFeature: property wrappersFeature: property wrappers

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

swift 6.1

Status: Open.

#76308 In swiftlang/swift;

· AnthonyLatsis opened on Sep 6, 2024

Compiler crash with parameter pack in subscript

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

genericsFeature: generic declarations and typesFeature: generic declarations and types

parameter packsFeature → generics: Parameter packsFeature → generics: Parameter packs

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

subscriptFeature: Subscript declarationsFeature: Subscript declarations

swift 6.1

Status: Open.

#75735 In swiftlang/swift;

· xAlien95 opened on Aug 6, 2024