[6.0] AST: Fix availability checking for macros as default arguments #72828
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Adoption of the `#isolation` macro as a default argument in the standard library exposed that the availbility of contents of default argument macro expansions were being mis-diagnosed. The nodes for auxilary files generated for default argument expansions were not being added to the enclosing file's `TypeRefinementContext` hierarchy, so the contents of the expansion would be diagnosed as if it were located in a context with the minimum availability for the compilation. Resolves rdar://125812256
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@swift-ci please test |
ktoso
approved these changes
Apr 4, 2024
tshortli
changed the title
hborla
approved these changes
Apr 4, 2024
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#isolationmacro as a default argument in the standard library exposed that the availbility of contents of default argument macro expansions were being mis-diagnosed. The nodes for auxilary files generated for default argument expansions were not being added to the enclosing file'sTypeRefinementContexthierarchy, so the contents of the expansion would be diagnosed as if it were located in a context with the minimum availability for the compilation.#isolationmacro in various standard library APIs.