1 files changed, 0 insertions, 65 deletions
diff --git a/compiler/rustc_query_impl/src/values.rs b/compiler/rustc_query_impl/src/values.rs
deleted file mode 100644
index 0ed48f8d4a0..00000000000
--- a/compiler/rustc_query_impl/src/values.rs
+++ /dev/null
@@ -1,65 +0,0 @@
-use super::QueryCtxt;
-use rustc_middle::ty::{self, AdtSizedConstraint, Ty};
-
-pub(super) trait Value<'tcx>: Sized {
-    fn from_cycle_error(tcx: QueryCtxt<'tcx>) -> Self;
-}
-
-impl<'tcx, T> Value<'tcx> for T {
-    default fn from_cycle_error(tcx: QueryCtxt<'tcx>) -> T {
-        tcx.sess.abort_if_errors();
-        bug!("Value::from_cycle_error called without errors");
-    }
-}
-
-impl<'tcx> Value<'tcx> for Ty<'_> {
-    fn from_cycle_error(tcx: QueryCtxt<'tcx>) -> Self {
-        // SAFETY: This is never called when `Self` is not `Ty<'tcx>`.
-        // FIXME: Represent the above fact in the trait system somehow.
-        unsafe { std::mem::transmute::<Ty<'tcx>, Ty<'_>>(tcx.ty_error()) }
-    }
-}
-
-impl<'tcx> Value<'tcx> for ty::SymbolName<'_> {
-    fn from_cycle_error(tcx: QueryCtxt<'tcx>) -> Self {
-        // SAFETY: This is never called when `Self` is not `SymbolName<'tcx>`.
-        // FIXME: Represent the above fact in the trait system somehow.
-        unsafe {
-            std::mem::transmute::<ty::SymbolName<'tcx>, ty::SymbolName<'_>>(ty::SymbolName::new(
-                *tcx, "<error>",
-            ))
-        }
-    }
-}
-
-impl<'tcx> Value<'tcx> for AdtSizedConstraint<'_> {
-    fn from_cycle_error(tcx: QueryCtxt<'tcx>) -> Self {
-        // SAFETY: This is never called when `Self` is not `AdtSizedConstraint<'tcx>`.
-        // FIXME: Represent the above fact in the trait system somehow.
-        unsafe {
-            std::mem::transmute::<AdtSizedConstraint<'tcx>, AdtSizedConstraint<'_>>(
-                AdtSizedConstraint(tcx.intern_type_list(&[tcx.ty_error()])),
-            )
-        }
-    }
-}
-
-impl<'tcx> Value<'tcx> for ty::Binder<'_, ty::FnSig<'_>> {
-    fn from_cycle_error(tcx: QueryCtxt<'tcx>) -> Self {
-        let err = tcx.ty_error();
-        // FIXME(compiler-errors): It would be nice if we could get the
-        // query key, so we could at least generate a fn signature that
-        // has the right arity.
-        let fn_sig = ty::Binder::dummy(tcx.mk_fn_sig(
-            [].into_iter(),
-            err,
-            false,
-            rustc_hir::Unsafety::Normal,
-            rustc_target::spec::abi::Abi::Rust,
-        ));
-
-        // SAFETY: This is never called when `Self` is not `ty::Binder<'tcx, ty::FnSig<'tcx>>`.
-        // FIXME: Represent the above fact in the trait system somehow.
-        unsafe { std::mem::transmute::<ty::PolyFnSig<'tcx>, ty::Binder<'_, ty::FnSig<'_>>>(fn_sig) }
-    }
-}