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Make deref_into_dyn_supertrait lint the impl and not the usage

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This commit is contained in:
Maybe Waffle 2022-11-22 21:33:19 +00:00
parent 11a5386256
commit 0d4a5c725a
6 changed files with 102 additions and 64 deletions
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12
compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs
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@ -6,11 +6,9 @@
//!
//! [rustc dev guide]:https://rustc-dev-guide.rust-lang.org/traits/resolution.html#candidate-assembly
use hir::LangItem;
use rustc_errors::DelayDm;
use rustc_hir as hir;
use rustc_infer::traits::ObligationCause;
use rustc_infer::traits::{Obligation, SelectionError, TraitObligation};
use rustc_lint_defs::builtin::DEREF_INTO_DYN_SUPERTRAIT;
use rustc_middle::ty::print::with_no_trimmed_paths;
use rustc_middle::ty::{self, Ty, TypeVisitable};
use rustc_target::spec::abi::Abi;
@ -811,16 +809,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
&obligation.cause,
) {
if deref_trait_ref.def_id() == target_trait_did {
self.tcx().struct_span_lint_hir(
DEREF_INTO_DYN_SUPERTRAIT,
obligation.cause.body_id,
obligation.cause.span,
DelayDm(|| format!(
"`{}` implements `Deref` with supertrait `{}` as output",
source, deref_trait_ref
)),
|lint| lint,
);
return;
}
}