change is_subtype to relate_types

2023-09-30 13:44:31 +03:00
parent cd7f471931
commit 6f0c5ee2d4
15 changed files with 128 additions and 86 deletions
--- a/compiler/rustc_codegen_cranelift/src/base.rs
+++ b/compiler/rustc_codegen_cranelift/src/base.rs
@@ -876,7 +876,7 @@ pub(crate) fn codegen_place<'tcx>(
                cplace = cplace.place_deref(fx);
            }
            PlaceElem::OpaqueCast(ty) => bug!("encountered OpaqueCast({ty}) in codegen"),
-            PlaceElem::Subtype(ty) => cplace = cplace.place_transmute_type(fx, ty),
+            PlaceElem::Subtype(ty) => cplace = cplace.place_transmute_type(fx, fx.monomorphize(ty)),
            PlaceElem::Field(field, _ty) => {
                cplace = cplace.place_field(fx, field);
            }