bjoernager/rust
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Use get_diagnostic_name

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This commit is contained in:
Cameron Steffen 2021-10-04 16:11:22 -05:00
parent 33b9b95305
commit b6cab80c18
6 changed files with 73 additions and 113 deletions
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7
compiler/rustc_lint/src/noop_method_call.rs
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@ -51,9 +51,10 @@ impl<'tcx> LateLintPass<'tcx> for NoopMethodCall {
Some((DefKind::AssocFn, did)) => match cx.tcx.trait_of_item(did) {
// Check that we're dealing with a trait method for one of the traits we care about.
Some(trait_id)
if [sym::Clone, sym::Deref, sym::Borrow]
.iter()
.any(|s| cx.tcx.is_diagnostic_item(*s, trait_id)) =>
if matches!(
cx.tcx.get_diagnostic_name(trait_id),
Some(sym::Borrow | sym::Clone | sym::Deref)
) =>
{
(trait_id, did)
}