use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags;
use crate::mir::{GeneratorLayout, GeneratorSavedLocal};
use crate::ty::normalize_erasing_regions::NormalizationError;
-use crate::ty::subst::Subst;
use crate::ty::{
self, layout_sanity_check::sanity_check_layout, subst::SubstsRef, EarlyBinder, ReprOptions, Ty,
TyCtxt, TypeVisitable,
// (i.e. due to being inside a projection that got normalized, see
// `src/test/ui/polymorphization/normalized_sig_types.rs`), and codegen not keeping
// track of a polymorphization `ParamEnv` to allow normalizing later.
+ //
+ // We normalize the `fn_sig` again after substituting at a later point.
let mut sig = match *ty.kind() {
ty::FnDef(def_id, substs) => tcx
- .normalize_erasing_regions(tcx.param_env(def_id), tcx.bound_fn_sig(def_id))
+ .bound_fn_sig(def_id)
+ .map_bound(|fn_sig| {
+ tcx.normalize_erasing_regions(tcx.param_env(def_id), fn_sig)
+ })
.subst(tcx, substs),
_ => unreachable!(),
};