bjoernager/rust
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Emits E0599 when meeting MyTrait::missing_method

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This commit is contained in:
mu001999 2023-05-17 16:59:39 +08:00
parent bc888958c9
commit db64512422
11 changed files with 147 additions and 47 deletions
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7
compiler/rustc_hir_analysis/src/astconv/mod.rs
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@ -19,7 +19,7 @@ use rustc_ast::TraitObjectSyntax;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_errors::{
struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, FatalError,
MultiSpan,
MultiSpan, StashKey,
};
use rustc_hir as hir;
use rustc_hir::def::{CtorOf, DefKind, Namespace, Res};
@ -38,7 +38,6 @@ use rustc_middle::ty::{self, Const, IsSuggestable, Ty, TyCtxt, TypeVisitableExt}
use rustc_middle::ty::{DynKind, ToPredicate};
use rustc_session::lint::builtin::{AMBIGUOUS_ASSOCIATED_ITEMS, BARE_TRAIT_OBJECTS};
use rustc_span::edit_distance::find_best_match_for_name;
use rustc_span::edition::Edition;
use rustc_span::symbol::{kw, Ident, Symbol};
use rustc_span::{sym, Span, DUMMY_SP};
use rustc_target::spec::abi;
@ -3718,7 +3717,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
));
}
if self_ty.span.edition() >= Edition::Edition2021 {
if self_ty.span.edition().rust_2021() {
let msg = "trait objects must include the `dyn` keyword";
let label = "add `dyn` keyword before this trait";
let mut diag =
@ -3732,7 +3731,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
}
// check if the impl trait that we are considering is a impl of a local trait
self.maybe_lint_blanket_trait_impl(&self_ty, &mut diag);
diag.emit();
diag.stash(self_ty.span, StashKey::TraitMissingMethod);
} else {
let msg = "trait objects without an explicit `dyn` are deprecated";
tcx.struct_span_lint_hir(