Support raw identifiers (backtick-delimited identifiers containing non-identifier characters).#76636

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allevato wants to merge 8 commits intoswiftlang:mainfrom allevato:rich-identifiers

+1,052-158

Commits on Feb 24, 2025

Add support for raw identifiers.
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Add a test importing a Clang module with non-identifier characters.
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Allow module aliases to use escaped identifiers as the alias name.
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Allow module aliases to be expressed in the explicit Swift module map JSON file.
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Ensure that #fileID wraps raw identifier module names in backticks.
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[Sema] Validate names of @objc declarations with raw identifiers.
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Preserve existing printing/mangling behavior for C++ specializations.
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Add RawIdentifiers as a language feature.
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