Becca Royal-Gordon 1a97803c8c Add flag for dumping ClangImporter lookup tables ...

ClangImporter’s SwiftLookupTables map Swift names to their corresponding Clang declarations. These tables are built into a module’s clang .pcm file and missing or inaccurate entries can cause name lookup to fail to find an imported declaration.

Swift has always included a helper function that would dump these tables, and swift-ide-test has a command-line switch that would invoke it, but these tools are clumsy to use in many debugging scenarios. Add a frontend flag that dumps the tables at the end of the frontend job, making it a lot easier to get at this information in the context of a specific compilation.

2024-02-29 17:51:00 -08:00

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