Labels

• DCE

  Area → compiler → SILOptimizer: Dead Code Elimination
• debug info

  Area → compiler → IRGen: Debug information emission
• declarations

  Feature: declarations
• default arguments

  Feature: default arguments for value parameters
• default implementations

  Feature → protocol → conformances: default implementations
• default initialization

  Feature: Default initialization of variables
• definite initialization

  Area → compiler → SIL: Definite initialization
• deinit

  Feature: deinitializers
• demangling

  Area → compiler: The `libswiftDemangling` library
• derived conformances

  Feature → protocol → conformances: derived conformances aka synthesized conformances
• development tools

  Area: tools for compiler developers under the 'tools' directory
• diagnostic engine

  Area → compiler → AST: The `DiagnosticEngine` class
• diagnostic groups

  Feature: Diagnostic groups
• diagnostic printer

  Area → compiler: diagnostic printer
• diagnostic verifier

  Area → compiler → Frontend: The `DiagnosticVerifier` class
• diagnostics QoI

  Bug: Diagnostics Quality of Implementation
• Dictionary

  Area → standard library: the `Dictionary` type
• disambiguation

  Bug: disambiguation
• Dispatch
• distributed

  Feature → concurrency: distributed actor
• do catch

  Feature → statements: 'do' statements
• do not merge
• docker

  Flag: Swift installation via Docker
• document structure

  Area → source tooling: document structure annotation
• documentation
• Double

  Area → standard library: The `Double` type
• driver
• driver options

  Area → compiler → legacy driver: driver options
• duplicate

  Resolution: Duplicates another issue
• educational notes

  Educational notes for diagnostics