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079aa837d2
Don't lint :pat when re-parsing a macro from another crate. `compile_macro` is used both when compiling the original definition in the crate that defines it, and to compile the macro when loading it when compiling a crate that uses it. We should only emit lints in the first case. This adds a `is_definition: bool` to pass this information in, so we don't warn about things that only concern the definition site. Fixes #86567