]> git.lizzy.rs Git - rust.git/blobdiff - clippy_lints/src/needless_pass_by_value.rs
Merge remote-tracking branch 'upstream/master' into rustup
[rust.git] / clippy_lints / src / needless_pass_by_value.rs
index 9306b198051c260d72134d767942cfbd547a9a7c..54033f408714086a8c06d9f8315607a86ed16f70 100644 (file)
@@ -8,11 +8,12 @@
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_errors::{Applicability, DiagnosticBuilder};
 use rustc_hir::intravisit::FnKind;
-use rustc_hir::{BindingAnnotation, Body, FnDecl, GenericArg, HirId, ItemKind, Impl, Node, PatKind, QPath, TyKind};
+use rustc_hir::{BindingAnnotation, Body, FnDecl, GenericArg, HirId, Impl, ItemKind, Node, PatKind, QPath, TyKind};
 use rustc_infer::infer::TyCtxtInferExt;
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty::{self, TypeFoldable};
 use rustc_session::{declare_lint_pass, declare_tool_lint};
+use rustc_span::symbol::kw;
 use rustc_span::{sym, Span};
 use rustc_target::spec::abi::Abi;
 use rustc_trait_selection::traits;
@@ -115,14 +116,8 @@ fn check_fn(
             .filter(|p| !p.is_global())
             .filter_map(|obligation| {
                 // Note that we do not want to deal with qualified predicates here.
-                let binder = obligation.predicate.bound_atom();
-                match binder.skip_binder() {
-                    ty::PredicateAtom::Trait(pred, _) if !binder.has_escaping_bound_vars() => {
-                        if pred.def_id() == sized_trait {
-                            return None;
-                        }
-                        Some(pred)
-                    }
+                match obligation.predicate.kind().no_bound_vars() {
+                    Some(ty::PredicateKind::Trait(pred, _)) if pred.def_id() != sized_trait => Some(pred),
                     _ => None,
                 }
             })
@@ -155,7 +150,7 @@ fn check_fn(
             // Ignore `self`s.
             if idx == 0 {
                 if let PatKind::Binding(.., ident, _) = arg.pat.kind {
-                    if ident.as_str() == "self" {
+                    if ident.name == kw::SelfLower {
                         continue;
                     }
                 }