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Variables in top-level code (main.swift) should be local
compiler
The Swift compiler in itself
feature
A feature request or implementation
global let & var
Feature: global constants and variables
memory safety
Feature: memory safety
script mode
Flag: Specific to script mode compilation
source compatibility
swift evolution proposal needed
Flag → feature: A feature that warrants a Swift evolution proposal
#73300
opened Apr 26, 2024 by
atrick
updated Apr 27, 2024
Exclusivity restrictions on recursive uses of non-escaping closures are not applied to all non-escaping closures
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
triage needed
This issue needs more specific labels
#72174
opened Mar 8, 2024 by
atrick
updated Mar 8, 2024
The 'consume' operator does not end the lifetime of copyable types
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
ownership
Feature: Ownership modifiers and semantics
#68128
opened Aug 24, 2023 by
atrick
updated Sep 7, 2023
[SR-1842] Introduce syntax for explicitly invoking extension methods.
compiler
The Swift compiler in itself
feature
A feature request or implementation
swift evolution proposal needed
Flag → feature: A feature that warrants a Swift evolution proposal
#44451
opened Jun 20, 2016 by
atrick
updated Jul 27, 2023
[SR-11147] Add withUnsafeElements<T: HomogeneousAggregate, Result>(of:)
compiler
The Swift compiler in itself
feature
A feature request or implementation
standard library
Area: Standard library umbrella
swift evolution proposal needed
Flag → feature: A feature that warrants a Swift evolution proposal
#53543
opened Jul 16, 2019 by
atrick
updated May 18, 2023
[SR-5060] Allow get only accessors/subscripts to be passed as (immutable) UnsafePointer.
compiler
The Swift compiler in itself
feature
A feature request or implementation
swift evolution proposal needed
Flag → feature: A feature that warrants a Swift evolution proposal
#47636
opened May 31, 2017 by
atrick
updated Nov 11, 2022
[SR-14148] Language support for extending the lifetime of 'self' and local variables
compiler
The Swift compiler in itself
feature
A feature request or implementation
#56527
opened Feb 3, 2021 by
atrick
updated Nov 11, 2022
Array lifetimes are not optimized in simple cases
performance
SILOptimizer
Area → compiler: SIL optimization passes
#58632
opened May 3, 2022 by
atrick
updated May 3, 2022
[SR-15546] SILOptimizer CanonicalizeInstruction splitAggregateLoad should preserve debug info at -Onone
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#57849
opened Dec 1, 2021 by
atrick
updated Apr 25, 2022
[SR-14147] Diagnose suspicious weak references
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
new feature
#56526
opened Feb 3, 2021 by
atrick
updated Apr 25, 2022
[SR-13782] [OSSA] Improve DeadObjectElimination to handle array copies
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#56179
opened Oct 27, 2020 by
atrick
updated Apr 25, 2022
[SR-13379] stdlib-asserts Performance regression from swift_COWSanityChecksEnabled
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
standard library
Area: Standard library umbrella
#55819
opened Aug 10, 2020 by
atrick
updated Apr 25, 2022
[SR-13180] A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
withUnsafePointer
should guarantee pointer stability for globals and class properties
bug
#55621
opened Jul 8, 2020 by
atrick
updated Apr 25, 2022
[SR-12741] TEST 'Swift(iphonesimulator-i386) :: AutoDiff/validation-test/control_flow.swift
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#55186
opened May 6, 2020 by
atrick
updated Apr 25, 2022
[SR-12739] Document Swift Memory Model and UnsafePointer
standard library
Area: Standard library umbrella
task
#55184
opened May 6, 2020 by
atrick
updated Apr 25, 2022
[SR-11695] SILOptimizer should devirtualize calls to a protocol composition type
compiler
The Swift compiler in itself
improvement
#54103
opened Nov 2, 2019 by
atrick
updated Apr 25, 2022
[SR-11311] Class property accessed as rvalue wrongly forces copy-on-write.
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#53712
opened Aug 15, 2019 by
atrick
updated Apr 25, 2022
[SR-10722] Simplify and optimize non-escaping closure captures
compiler
The Swift compiler in itself
performance
task
#53119
opened May 21, 2019 by
atrick
updated Apr 25, 2022
[SR-9594] swift -frontend -num-threads (>1) places symbols in the wrong .o files.
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
IRGen
LLVM IR generation
#52041
opened Jan 3, 2019 by
atrick
updated Apr 25, 2022
[SR-9352] scale-test crashes on non-linear input series.
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#51820
opened Nov 26, 2018 by
atrick
updated Apr 25, 2022
[SR-8212] Incorrect error message: '@inlinable' attribute can only be applied to public declarations
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
#50744
opened Jul 9, 2018 by
atrick
updated Apr 25, 2022
[SR-7704] swiftc -emit-module -c, driver documentation and diagnostics
compiler
The Swift compiler in itself
improvement
legacy driver
Area → compiler: the integrated C++ legacy driver. Succeeded by the swift-driver project
#50244
opened May 16, 2018 by
atrick
updated Apr 25, 2022
[SR-7277] -Onone should inline @inline(__always)
compiler
The Swift compiler in itself
improvement
#49825
opened Mar 26, 2018 by
atrick
updated Apr 25, 2022
[SR-7278] -Onone should inline no-escape closures
compiler
The Swift compiler in itself
improvement
#49826
opened Mar 26, 2018 by
atrick
updated Apr 25, 2022
[SR-7123] Add a "bitwise-movable" layout constraint.
compiler
The Swift compiler in itself
improvement
#49671
opened Mar 5, 2018 by
atrick
updated Apr 25, 2022
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