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Hasher.combine fails to implicitly open Hashable
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72269
opened Mar 12, 2024 by
jasonbobier
updated Mar 29, 2024
using isKnownUniquelyReferenced seems to crash on C++ reference type
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
c++ interop
Feature: Interoperability with C++
c++ to swift
Feature → c++ interop: c++ to swift
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
IRGen
LLVM IR generation
swift 5.10
#72676
opened Mar 28, 2024 by
wtholliday
updated Mar 28, 2024
[SR-15051] Swift should suggest updating existing @available attribute when you use an insufficiently available declaration
availability
The @available attribute and availability checking in general
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
fix-its
Feature: diagnostic fix-its
good first issue
Good for newcomers
improvement
type checker
Area → compiler: Semantic analysis
#57378
opened Aug 10, 2021 by
beccadax
updated Mar 28, 2024
Super-linear compilation times if source file contains thousands of top-level LOC
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
performance
script mode
Flag: Specific to script mode compilation
unexpected behavior
Bug: Unexpected behavior or incorrect output
#72661
opened Mar 27, 2024 by
VAndrJ
updated Mar 28, 2024
No A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
qualified identifier types
Feature → types: Qualified identifier types
swift 6.0
type checker
Area → compiler: Semantic analysis
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
any
syntax migration error for protocol qualifier
bug
#72678
opened Mar 28, 2024 by
AnthonyLatsis
updated Mar 28, 2024
The suggested fix for the protocol composition type is incorrect when enable upcoming featureA deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
fix-its
Feature: diagnostic fix-its
protocol compositions
Feature → types: protocol composition types
swift 6.0
type checker
Area → compiler: Semantic analysis
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
ExistentialAny
bug
#65027
opened Apr 8, 2023 by
treastrain
updated Mar 28, 2024
The suggested fix for the existential types with implicit unwrapping is incorrect when enable upcoming featureA deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
fix-its
Feature: diagnostic fix-its
implicitly unwrapped optionals
Feature → types: Implicitly unwrapped optional types, aka IUO
swift 6.0
type checker
Area → compiler: Semantic analysis
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
ExistentialAny
bug
#65026
opened Apr 8, 2023 by
treastrain
updated Mar 28, 2024
Upcoming feature flag ExistentialAny ignores missing A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
parameterized protocols
Feature → protocol: protocols with primary associated types
protocol
Feature → type declarations: Protocol declarations
swift 6.0
type checker
Area → compiler: Semantic analysis
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
any
keyword when constraining a protocol
bug
#72588
opened Mar 26, 2024 by
lukaskollmer
updated Mar 28, 2024
Macro in global is not working
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72655
opened Mar 28, 2024 by
mtfum
updated Mar 28, 2024
Add Area → compiler: The ASTGen module, which translates SwiftSyntax trees to the C++ AST
compiler
The Swift compiler in itself
good first issue
Good for newcomers
task
SWIFT_NAME
attributes for all functions in CASTBridging.h
ASTGen
#68353
opened Sep 6, 2023 by
ahoppen
updated Mar 28, 2024
Macro is not working with #if os
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72648
opened Mar 28, 2024 by
miku1958
updated Mar 28, 2024
Unused expression does not trigger precondition in A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
-O
mode.
bug
#72455
opened Mar 20, 2024 by
oscbyspro
updated Mar 28, 2024
Investigate possible optimization opportunities for autodiff code with control flow
AutoDiff
compiler
The Swift compiler in itself
feature
A feature request or implementation
performance
run-time performance
SILOptimizer
Area → compiler: SIL optimization passes
#68901
opened Oct 2, 2023 by
asl
updated Mar 27, 2024
[AutoDiff] Implement the closure optimization that is specialized towards the linear map tuples / enums produced by autodiff.
AutoDiff
closures
Feature: closures
compiler
The Swift compiler in itself
expressions
Feature: expressions
SILOptimizer
Area → compiler: SIL optimization passes
task
#68944
opened Oct 3, 2023 by
jkshtj
updated Mar 27, 2024
Accessing case of enum named A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
Type
with backticks produces compile error
bug
#72176
opened Mar 8, 2024 by
enumcase
updated Mar 24, 2024
Compiler crashes when using method chain with complex protocols
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#66041
opened May 20, 2023 by
omochi
updated Mar 24, 2024
Documentation for the Swift Runtime seems to be pre Swift 3
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72543
opened Mar 23, 2024 by
haikusw
updated Mar 23, 2024
Incorrect value being assigned to a tuple with synthesised init
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72386
opened Mar 18, 2024 by
anmolmalhotra
updated Mar 23, 2024
utils/update-checkout error from git checkout icu maint/maint-69
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
swift 6.0
unexpected error
Bug: Unexpected error
update-checkout
Area → utils: the `update-checkout` script
utils
Area: the build system and other accessory scripts under the "utils" directory
#70966
opened Jan 17, 2024 by
vanvoorden
updated Mar 23, 2024
Poor diagnostic for misspelled enum case name in catch clause
associated values
Feature → enums: enum cases with associated values (payload)
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
enum case patterns
Feature → patterns: Enumeration case patterns
enum cases
Feature → enums: Enum cases
enum
Feature → type declarations: Swift enumeration declarations
patterns
Feature: patterns
swift 6.0
type checker
Area → compiler: Semantic analysis
wildcard pattern
Feature → patterns: The wildcard (underscore) pattern
#72505
opened Mar 22, 2024 by
jrose-signal
updated Mar 23, 2024
Runtime crash when using unsafeUninitializedCapacity incorrectly
accepts invalid
Bug: Accepts invalid
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
closures
Feature: closures
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
definite initialization
expressions
Feature: expressions
memory safety
Feature: memory safety
script mode
Flag: Specific to script mode compilation
SIL
swift 6.0
#70323
opened Dec 8, 2023 by
aaron-foreflight
updated Mar 23, 2024
Add test coverage for Good for newcomers
task
test suite
Area: test suite
update-checkout
Area → utils: the `update-checkout` script
utils
Area: the build system and other accessory scripts under the "utils" directory
update-checkout --stash
option
contributor experience
good first issue
#72523
opened Mar 22, 2024 by
MaxDesiatov
updated Mar 23, 2024
failed to produce diagnostic for ... a range expression
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
expressions
Feature: expressions
for-in loops
Feature: for-in loops
generics
Feature: generic declarations and types
internal error
Bug: Internal error
operators
Feature: operators
statements
Feature: statements
swift 6.0
type checker
Area → compiler: Semantic analysis
#72533
opened Mar 22, 2024 by
shin-ckane
updated Mar 22, 2024
Compiler allows NSObject subclass with an async initializer as long as it takes parameters
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72525
opened Mar 22, 2024 by
Jnosh
updated Mar 22, 2024
Swift package compile times are 10-20 times worse on Windows than on Linux
compiler
The Swift compiler in itself
performance
swift 5.10
Windows
Platform: Windows
#72221
opened Mar 11, 2024 by
silverhammermba
updated Mar 22, 2024
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