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Detect the _deprecated_file() call anywhere in a file's uses - #281

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fix-deprecated-file-detection
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Detect the _deprecated_file() call anywhere in a file's uses#281
sirreal wants to merge 2 commits into
masterfrom
fix-deprecated-file-detection

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@sirreal

@sirreal sirreal commented Aug 18, 2026

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The importer flags a file as deprecated only when uses.functions[0] — the first recorded call in the file — is _deprecated_file(). Any call preceding it silently loses the deprecation flag, and an empty uses list raises an undefined-offset notice. The importer now searches the uses list for the _deprecated_file record and reads deprecation_version from that record.

Complements #277, which makes the exporter attach deprecation_version to the deprecating call's own record instead of index 0. With pre-#277 export data where the deprecating call isn't first, the version sits on the wrong record and the file stays unflagged — the same outcome as today, so this change is non-regressing under either exporter and becomes fully correct once #277 lands. The tests feed hand-built uses data to the importer, so they exercise the importer's contract without depending on the exporter's placement.

The after-other-calls test and the empty-uses test fail on master (one missed flag, one undefined-offset error); all pass with the fix, as does the full suite.

Found during the review of #262; extracted as a standalone change.

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