apple / swift

The Swift Programming Language

https://swift.org

apple/swift Issues

Region isolation diagnoses async iterator transfer despite `nonisolated(unsafe)`
Updated 13 days ago1
Declaration macros can’t introduce local variables
Updated 13 days ago
Compiler crash with dynamic generic
Updated 13 days ago1
Variable i was never mutated in `.enumerated()` for var loop; needs fix-it to suggest `for case (let _, var _)`
Updated 15 days ago4
Swift CI: error: no matching function for call to 'atomic_compare_exchange_strong_explicit'
Closed 15 days ago2
Opaque return type sendability checking hole
Updated 15 days ago
The default parameters of the Swift addtarget method do not take effect
Updated 15 days ago
suppress-remarks option does not work
Updated 15 days ago
Undefined reference when subclassing class with internal/private methods
Closed 15 days ago2
usage of a noncopyable type that compiler can't verify
Updated 15 days ago1
A LoadableByAddress compiler crash with error "<unknown>:0: note: Unimplemented definition"
Updated 15 days ago
Failed to reconstruct type for $sSq11OpenCombineE8OCombineV9PublisherVy7ElementSTQz__GD
Updated 15 days ago1
Failed to produce diagnostic for expression with wrong question mark in result builders
Updated 15 days ago1
Existential type conforming to `AnyObject` can't satisfy a generic parameter which conforms to `AnyObject`
Updated 17 days ago
Incorrect type inference for `switch <#Never#> {}` expression
Updated 17 days ago
Compiler crash with generic result builders
Updated 17 days ago
In main.swift, variables can be used before they are declared, leading to undefined behavior
Updated 17 days ago
Missing diagnostic when capturing self in deinit Task
Updated 18 days ago
Missing diagnostic when capturing self in deinit Task
Closed 18 days ago
Failed to produce diagnostic for expression
Updated 18 days ago1
Xcode build fails if using Swift.org toolchain when Address Sanitizer is enabled.
Updated 18 days ago1
Crash with @MainActor default value in @MainActor initializer in @MainActor lazy var
Closed 19 days ago1
Assertion failed: ((conformingReplacementType->is<ErrorType>() || conformingReplacementType->is<SubstitutableType>() || conformingReplacementType->is<DependentMemberType>() || conformingReplacementType->hasTypeVariable()) && "replacement requires looking up a concrete conformance")
Updated 19 days ago1
`Assertion failed: (!firstType->hasTypeVariable()), function checkRequirementsImpl` when having a single element tuple with unknown type in a closure
Updated 19 days ago
Unaccountable type deduction change when building via CMake/Xcode
Updated 19 days ago2
crash with array of C++ objects exposed via SWIFT_SHARED_REFERENCE
Updated 19 days ago2
link error caused by conforming C++ type to Equatable
Updated 19 days ago1
[ConstraintSystem] Improve score label in the debug output so that we can easily recognize which score is more/less impactful.
Updated 19 days ago
Redundant errors in synthesized `makeIterator` call on conflicting generic arguments in `for`-`in` sequence expression
Updated 20 days ago
Enum case "language" as protocol witness causes invalid redeclaration
Closed 20 days ago
Crash in SIL gen casting to protocol with primary associated type
Updated 20 days ago2
Key path formed to setter with unavailable key path is writable
Updated 20 days ago3
Better diagnostic when type has constrained subscript setter override
Updated 20 days ago
Backward compatibility issue when framework is built in Xcode 15.3 with Swift 5.10 and used in Xcode 15.2
Updated 20 days ago
[cxx-interop] Allow removing elements from `std::set`
Updated 21 days ago
`NSObject` conformance to `Equatable` is stealthy
Updated 21 days ago
`OptionSet` that is also an `NSObject` seems to be broken
Updated 21 days ago4
[cxx-interop] Consider mapping C++ nullopt_t ctors to ExpressibleByNilLiteral conformance
Updated 21 days ago
Compiler crash in specific case involving default arguments to initializer when compiling with -strict-concurrency=complete
Updated 21 days ago
`@discardableResult` doesn't work with computed property getter
Updated 22 days ago
Unable to use std::chrono clocks via Cxx interop
Updated 22 days ago
cloning swift fails
Updated 23 days ago1
Wrong Sendable closure diagnostics with implicitly unwrapped optional
Updated 24 days ago1
Compiler crashed: Referring os.Logger instance in custom constructor of String
Updated 24 days ago
Incorrect 'class inherits from itself'
Updated 25 days ago
Compiler crash with circular reference, redundant conformance requirements
Updated 25 days ago
Incorrect absoluteString for URL on linux
Updated 25 days ago1
No literal initialization via coercion in generic code :(
Updated 25 days ago
Assertion failure: `extReqs.size() == typeReqs.size())` in `isWrittenWithConstraints`.
Updated 25 days ago1
`import typealias` causes invalid error claiming the symbol is a protocol
Updated 25 days ago