rustup

src/eval_context.rs

@@ -11,7 +11,6 @@
 use rustc::ty::subst::{self, Subst, Substs};
 use rustc::ty::{self, Ty, TyCtxt, TypeFoldable};
 use rustc_data_structures::indexed_vec::Idx;
-use rustc_data_structures::fx::FxHashSet;
 use syntax::codemap::{self, DUMMY_SP};
 
 use error::{EvalError, EvalResult};
@@ -1593,7 +1592,7 @@ pub fn monomorphize_field_ty<'a, 'tcx:'a >(tcx: TyCtxt<'a, 'tcx, 'tcx>, f: &ty::
 }
 
 pub fn is_inhabited<'a, 'tcx: 'a>(tcx: TyCtxt<'a, 'tcx, 'tcx>, ty: Ty<'tcx>) -> bool {
-    ty.uninhabited_from(&mut FxHashSet::default(), tcx).is_empty()
+    ty.uninhabited_from(&mut HashMap::default(), tcx).is_empty()
 }
 
 pub trait IntoValTyPair<'tcx> {