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Allow unstable items to be re-exported unstably without requiring the feature be enabled

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This commit is contained in:
cole 2022-06-04 17:05:33 -05:00
parent 0a437b2ca0
commit f3d93b6c62
6 changed files with 174 additions and 11 deletions
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2
compiler/rustc_typeck/src/astconv/mod.rs
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@ -24,6 +24,7 @@ use rustc_hir::def_id::{DefId, LocalDefId};
use rustc_hir::intravisit::{walk_generics, Visitor as _};
use rustc_hir::lang_items::LangItem;
use rustc_hir::{GenericArg, GenericArgs};
use rustc_middle::middle::stability::AllowUnstable;
use rustc_middle::ty::subst::{self, GenericArgKind, InternalSubsts, Subst, SubstsRef};
use rustc_middle::ty::GenericParamDefKind;
use rustc_middle::ty::{self, Const, DefIdTree, EarlyBinder, Ty, TyCtxt, TypeFoldable};
@ -426,6 +427,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
Some(arg.id()),
arg.span(),
None,
AllowUnstable::No,
|_, _| {
// Default generic parameters may not be marked
// with stability attributes, i.e. when the