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SILGen crash on A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
expressions
Feature: expressions
generics
Feature: generic declarations and types
pack expansions
Feature → expressions: Pack expansion expressions
SILGen
Area → compiler: The SIL generation stage
swift 6.0
variadic generics
Feature → generics: Variadic generics
try repeat
/await repeat
bug
#73263
opened Apr 25, 2024 by
AnthonyLatsis
SILGen crash on using member type accessed through metatype value
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
expressions
Feature: expressions
metatypes
Feature → types: Metatypes
nested types
Feature: nested types
SILGen
Area → compiler: The SIL generation stage
swift 6.0
types
Feature: types
#73251
opened Apr 25, 2024 by
AnthonyLatsis
Redundant errors in synthesized 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
for-in loops
Feature: for-in loops
generics
Feature: generic declarations and types
statements
Feature: statements
swift 6.0
type checker
Area → compiler: Semantic analysis
makeIterator
call on conflicting generic arguments in for
-in
sequence expression
bug
#72818
opened Apr 3, 2024 by
AnthonyLatsis
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
Bad diagnostic for 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
good first issue
Good for newcomers
implicitly unwrapped optionals
Feature → types: Implicitly unwrapped optional types, aka IUO
swift 6.0
type checker
Area → compiler: Semantic analysis
TypeResolver
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
any P!
bug
#72662
opened Mar 28, 2024 by
AnthonyLatsis
☂️ Umbrella issue for bugs in closure pack expansion patterns
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
closures
Feature: closures
compiler
The Swift compiler in itself
expressions
Feature: expressions
generics
Feature: generic declarations and types
pack expansions
Feature → expressions: Pack expansion expressions
swift 6.0
type checker
Area → compiler: Semantic analysis
☂️ umbrella issue
Flag: An umbrella issue
variadic generics
Feature → generics: Variadic generics
#72153
opened Mar 7, 2024 by
AnthonyLatsis
5 tasks
@discardableResult
works with try
and try!
, but not try?
attributes
#71870
opened Feb 24, 2024 by
AnthonyLatsis
Requirement machine internal error on simple recursive same-type requirement
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
generic constraints
Feature → generics: generic constraints
generics
Feature: generic declarations and types
internal error
Bug: Internal error
swift 6.0
type checker
Area → compiler: Semantic analysis
#70875
opened Jan 12, 2024 by
AnthonyLatsis
Contributor Experience: Automate the Xcode workspace generation process
contributor experience
generated Xcode project
python
task
#70604
opened Dec 22, 2023 by
AnthonyLatsis
Bad diagnostic for pack type count mismatch in function call
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
call expressions
Feature → expressions: Call expressions
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
expressions
Feature: expressions
generics
Feature: generic declarations and types
swift 6.0
type checker
Area → compiler: Semantic analysis
type inference
Feature: type inference
variadic generics
Feature → generics: Variadic generics
#70228
opened Dec 5, 2023 by
AnthonyLatsis
Property of function type containing pack expansion cannot be used with identical contextual type
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
function types
Feature → types: function types
generics
Feature: generic declarations and types
properties
Feature: properties
swift 6.0
type checker
Area → compiler: Semantic analysis
types
Feature: types
unexpected error
Bug: Unexpected error
variadic generics
Feature → generics: Variadic generics
#69390
opened Oct 25, 2023 by
AnthonyLatsis
Closure as repetition pattern in pack expansion not allowed
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
closures
Feature: closures
compiler
The Swift compiler in itself
expressions
Feature: expressions
generics
Feature: generic declarations and types
pack expansions
Feature → expressions: Pack expansion expressions
swift 6.0
type checker
Area → compiler: Semantic analysis
unexpected error
Bug: Unexpected error
variadic generics
Feature → generics: Variadic generics
#69282
opened Oct 19, 2023 by
AnthonyLatsis
Sema crash when passing A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
generics
Feature: generic declarations and types
swift 6.0
tuple types
Feature → types: Tuple types
type checker
Area → compiler: Semantic analysis
types
Feature: types
variadic generics
Feature → generics: Variadic generics
repeat each t
arg to (repeat each T)
param
bug
#69245
opened Oct 18, 2023 by
AnthonyLatsis
Bad diagnostic for initialization of property wrapper with custom 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
property wrappers
Feature: property wrappers
swift 6.0
type checker
Area → compiler: Semantic analysis
init
bug
#69066
opened Oct 9, 2023 by
AnthonyLatsis
Compiler crash type-checking force-unwrap of variable of undefined optional type
assertion failure
Bug → crash: An assertion failure
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
expressions
Feature: expressions
force-value
Feature → expressions: Force-value aka force-unwrap expression
swift 5.9
type checker
Area → compiler: Semantic analysis
#65987
opened May 17, 2023 by
AnthonyLatsis
Mangled singleton existential metatypes decode to constraint type metatypes
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
demangling
Area → compiler: The `libswiftDemangling` library
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
metatypes
Feature → types: Metatypes
swift 5.9
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
#65880
opened May 12, 2023 by
AnthonyLatsis
Mangled existential types decode to constraint types
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
demangling
Area → compiler: The `libswiftDemangling` library
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
swift 5.9
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
#65879
opened May 12, 2023 by
AnthonyLatsis
[.]Type
completion for (any P).
shows it will produce an existential metatype
bug
#65843
opened May 10, 2023 by
AnthonyLatsis
Code completion: Stop suggesting old-style protocol metatype syntax in Swift 6 mode
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
code completion
Area → source tooling: code completion
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
good first issue
Good for newcomers
metatypes
Feature → types: Metatypes
source tooling
Area: IDE support, SourceKit, and other source tooling
swift 5.9
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
#65699
opened May 5, 2023 by
AnthonyLatsis
Existential member type signatures not projected (covariant erasure) in code completion suggestions
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
code completion
Area → source tooling: code completion
existential member accesses
Feature → existentials: existential member accesses
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
expressions
Feature: expressions
source tooling
Area: IDE support, SourceKit, and other source tooling
swift 5.9
unexpected behavior
Bug: Unexpected behavior or incorrect output
#65698
opened May 5, 2023 by
AnthonyLatsis
Inaccessible existential members suggested in code completion
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
code completion
Area → source tooling: code completion
existential member accesses
Feature → existentials: existential member accesses
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
expressions
Feature: expressions
source tooling
Area: IDE support, SourceKit, and other source tooling
swift 5.9
unexpected behavior
Bug: Unexpected behavior or incorrect output
#65696
opened May 5, 2023 by
AnthonyLatsis
Property-wrapped parameter crashes if property wrapper is missing A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
func
Feature → declarations: Functions
function parameters
Feature → declarations: function parameters
property wrappers
Feature: property wrappers
swift 5.9
type checker
Area → compiler: Semantic analysis
wrappedValue
bug
#65640
opened May 4, 2023 by
AnthonyLatsis
Bad diagnostic when matching tuple pattern to existential
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
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
pattern matching
Feature: pattern matching
patterns
Feature: patterns
swift 5.9
tuples
Feature: tuples
type checker
Area → compiler: Semantic analysis
#65243
opened Apr 18, 2023 by
AnthonyLatsis
Default argument not type-checked causing crash
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
default arguments
Feature: default arguments for value parameters
generics
Feature: generic declarations and types
swift 5.9
type checker
Area → compiler: Semantic analysis
verifier
#65090
opened Apr 12, 2023 by
AnthonyLatsis
Default argument establishing type relationship between type parameters not rejected
accepts invalid
Bug: Accepts invalid
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
default arguments
Feature: default arguments for value parameters
generics
Feature: generic declarations and types
swift 5.9
type checker
Area → compiler: Semantic analysis
type inference
Feature: type inference
#65089
opened Apr 12, 2023 by
AnthonyLatsis
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