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Rollup merge of #46136 - tbu-:pr_werror, r=nikomatsakis

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Clarify what `-D warnings` or `-F warnings` does

They set all lints currently on the warning level to `deny` or `forbid`,
respectively.
This commit is contained in:
Corey Farwell 2017-12-06 09:35:35 -05:00 committed by GitHub
commit b5f11da0ac
1 changed files with 1 additions and 1 deletions
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src/librustc_driver/lib.rs
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@ -982,7 +982,7 @@ Available lint options:
println!("Lint groups provided by rustc:\n");
println!(" {} {}", padded("name"), "sub-lints");
println!(" {} {}", padded("----"), "---------");
println!(" {} {}", padded("warnings"), "all built-in lints");
println!(" {} {}", padded("warnings"), "all lints that are set to issue warnings");
let print_lint_groups = |lints: Vec<(&'static str, Vec<lint::LintId>)>| {
for (name, to) in lints {