Use -Wunused_crate_dependencies
for compiler crates.
It's very useful. There are some false positives involving integration tests in `rustc_pattern_analysis` and `rustc_serialize`. There is also a false positive involving `rustc_driver_impl`'s `rustc_randomized_layouts` feature. And I removed a `rustc_span` mention in a doc comment in `rustc_log` because it wasn't integral to the comment but caused a dev-dependency.
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28 changed files with 42 additions and 53 deletions
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@ -20,7 +20,6 @@ rustc_hir = { path = "../rustc_hir" }
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rustc_index = { path = "../rustc_index" }
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rustc_macros = { path = "../rustc_macros" }
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rustc_middle = { path = "../rustc_middle" }
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rustc_parse = { path = "../rustc_parse" }
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rustc_session = { path = "../rustc_session" }
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rustc_span = { path = "../rustc_span" }
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rustc_target = { path = "../rustc_target" }
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