Balazs Benics 4ba623f244
[clang][Index][USR][NFC] Allow customizing langopts for USR generation (#109574)
This helps to produce USRs for custom LangOpts - that differ from the
one associated with the given Decl. This can unlock usecases in tooling
opportunities that we have downstream.

This is NFC because existing calls will still result in the right
overload, thus using the LangOpts associated with the ASTContext of the
Decls and Types.
2024-10-30 15:19:37 +01:00
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