add known-bug tests for derive failure to detect packed repr#121025

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bors merged 1 commit intorust-lang:masterfrom

oli-obk:taint_after_errors

Mar 8, 2024

Commits on Mar 7, 2024

Add known-bug tests for `derive(PartialEq)` mismatches with `#[repr(packed)]` attributes that are not visible before macro expansion
oli-obk
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