bjoernager/rust
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Use pre-interned symbols in a couple of places

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This commit is contained in:
bjorn3 2022-01-10 17:08:21 +01:00
parent d63a8d965e
commit ec9c949946
4 changed files with 17 additions and 13 deletions
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8
compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
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@ -12,7 +12,7 @@ use rustc_middle::ty::print::Print;
use rustc_middle::ty::subst::{GenericArg, GenericArgKind};
use rustc_middle::ty::{self, Const, DefIdTree, InferConst, Ty, TyCtxt, TypeFoldable, TypeFolder};
use rustc_span::symbol::kw;
use rustc_span::Span;
use rustc_span::{sym, Span};
use std::borrow::Cow;
struct FindHirNodeVisitor<'a, 'tcx> {
@ -1003,9 +1003,9 @@ impl<'tcx> TypeFolder<'tcx> for ResolvedTypeParamEraser<'tcx> {
| ty::Opaque(..)
| ty::Projection(_)
| ty::Never => t.super_fold_with(self),
ty::Array(ty, c) => self
.tcx()
.mk_ty(ty::Array(self.fold_ty(ty), self.replace_infers(c, 0, Symbol::intern("N")))),
ty::Array(ty, c) => {
self.tcx().mk_ty(ty::Array(self.fold_ty(ty), self.replace_infers(c, 0, sym::N)))
}
// We don't want to hide type params that haven't been resolved yet.
// This would be the type that will be written out with the type param
// name in the output.