Rustup #15892
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Rustup #15892
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test: Subtract code_offset from width for ui_testing `annotate-snippets` does not have a "UI test" mode like `rustc`, [where the code offset is not subtracted from the column width](https://github.com/rust-lang/rust/blob/f34ba774c78ea32b7c40598b8ad23e75cdac42a6/compiler/rustc_errors/src/emitter.rs#L1985-L1987). This makes it so `annotate-snippets` will shift the output for some very long tests 5 - 7 columns to the left. As part of my work to have `rustc` use `annotate-snippets`, and to reduce the test differences between the two, I figured it would be best if `rustc` started subtracting the code offset from the width as well. The first commit exists to keep the test output changes of adding a new line to a test separate from adding the `--diagnostic-width` flag in the second commit. This makes it easier to verify that adding the flag does not affect the test's output. [Zulip discussion](https://rust-lang.zulipchat.com/#narrow/channel/147480-t-compiler.2Fdiagnostics/topic/annotate-snippets.20hurdles)
It's common to import dependencies from the sysroot via `extern crate` rather than use an explicit cargo dependency, when it's necessary to use the same dependency version as used by rustc itself. However, this is dangerous for crates.io crates, since rustc may not pull in the dependency on some targets, or may pull in multiple versions. In both cases, the `extern crate` fails to resolve. To address this, re-export all such dependencies from the appropriate `rustc_*` crates, and use this alias from crates which would otherwise need to use `extern crate`.
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Some changes occurred in clippy_lints/src/doc cc @notriddle |
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Lintcheck changes for 9aa70f2
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