diff options
Diffstat (limited to 'compiler/rustc_mir_transform/src/deduce_param_attrs.rs')
| -rw-r--r-- | compiler/rustc_mir_transform/src/deduce_param_attrs.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/deduce_param_attrs.rs b/compiler/rustc_mir_transform/src/deduce_param_attrs.rs index ddab7bbb2..89ca04a15 100644 --- a/compiler/rustc_mir_transform/src/deduce_param_attrs.rs +++ b/compiler/rustc_mir_transform/src/deduce_param_attrs.rs @@ -163,7 +163,7 @@ pub fn deduced_param_attrs<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx [Ded // Codegen won't use this information for anything if all the function parameters are passed // directly. Detect that and bail, for compilation speed. - let fn_ty = tcx.type_of(def_id); + let fn_ty = tcx.type_of(def_id).subst_identity(); if matches!(fn_ty.kind(), ty::FnDef(..)) { if fn_ty .fn_sig(tcx) |