bjoernager/rust
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Emit the lint level of the unused-crate-dependencies

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Also, turn off the lint when the unused dependencies json flag
is specified so that cargo doesn't have to supress the lint
This commit is contained in:
est31 2020-08-10 01:57:35 +02:00
parent 13371b59ee
commit 3a62eb74db
6 changed files with 66 additions and 19 deletions
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7
compiler/rustc_interface/src/passes.rs
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@ -17,6 +17,7 @@ use rustc_hir::definitions::Definitions;
use rustc_hir::Crate;
use rustc_index::vec::IndexVec;
use rustc_lint::LintStore;
use rustc_metadata::creader::CStore;
use rustc_middle::arena::Arena;
use rustc_middle::dep_graph::DepGraph;
use rustc_middle::middle;
@ -836,6 +837,12 @@ fn analysis(tcx: TyCtxt<'_>, cnum: CrateNum) -> Result<()> {
});
sess.time("looking_for_derive_registrar", || proc_macro_decls::find(tcx));
let cstore = tcx
.cstore_as_any()
.downcast_ref::<CStore>()
.expect("`tcx.cstore` is not a `CStore`");
cstore.report_unused_deps(tcx);
},
{
par_iter(&tcx.hir().krate().modules).for_each(|(&module, _)| {