bjoernager/rust
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Don't lower assoc bindings just to deny them

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This commit is contained in:
Michael Goulet 2022-09-29 22:44:24 +00:00
parent 9f1a21ae2b
commit 3722ad4c26
2 changed files with 7 additions and 11 deletions
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4
compiler/rustc_hir_analysis/src/astconv/generics.rs
View file

@ -448,8 +448,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
let infer_lifetimes =
(gen_pos != GenericArgPosition::Type || infer_args) && !gen_args.has_lifetime_params();
if gen_pos != GenericArgPosition::Type && !gen_args.bindings.is_empty() {
Self::prohibit_assoc_ty_binding(tcx, gen_args.bindings[0].span);
if gen_pos != GenericArgPosition::Type && let Some(b) = gen_args.bindings.first() {
Self::prohibit_assoc_ty_binding(tcx, b.span);
}
let explicit_late_bound =

14
compiler/rustc_hir_analysis/src/astconv/mod.rs
View file

@ -276,9 +276,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
item_segment.infer_args,
None,
);
let assoc_bindings = self.create_assoc_bindings_for_generic_args(item_segment.args());
if let Some(b) = assoc_bindings.first() {
if let Some(b) = item_segment.args().bindings.first() {
Self::prohibit_assoc_ty_binding(self.tcx(), b.span);
}
@ -605,8 +603,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
None,
);
let assoc_bindings = self.create_assoc_bindings_for_generic_args(item_segment.args());
if let Some(b) = assoc_bindings.first() {
if let Some(b) = item_segment.args().bindings.first() {
Self::prohibit_assoc_ty_binding(self.tcx(), b.span);
}
@ -794,8 +791,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
trait_segment,
is_impl,
);
let assoc_bindings = self.create_assoc_bindings_for_generic_args(trait_segment.args());
if let Some(b) = assoc_bindings.first() {
if let Some(b) = trait_segment.args().bindings.first() {
Self::prohibit_assoc_ty_binding(self.tcx(), b.span);
}
ty::TraitRef::new(trait_def_id, substs)
@ -2208,8 +2204,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
for segment in segments {
// Only emit the first error to avoid overloading the user with error messages.
if let [binding, ..] = segment.args().bindings {
Self::prohibit_assoc_ty_binding(self.tcx(), binding.span);
if let Some(b) = segment.args().bindings.first() {
Self::prohibit_assoc_ty_binding(self.tcx(), b.span);
return true;
}
}