[clang][modules] Stop eagerly reading files with diagnostic pragmas #8534
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…` instead of `SourceLocation` (llvm#87427) For pragma diagnostic mappings, we always write/read `SourceLocation` with offset 0. This is equivalent to just writing a `FileID`, which is exactly what this patch starts doing. Originally reviewed here: https://reviews.llvm.org/D137213 (cherry picked from commit c925c16)
…lvm#87442) This makes it so that the importer doesn't need to stat all input files of a module that contain diagnostic pragmas, reducing file system traffic.
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@swift-ci please test |
artemcm
approved these changes
Apr 3, 2024
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