Overcome Sync issues with non-parallel compiler

Per Mark's recommendation at: https://github.com/rust-lang/rust/pull/78963#issuecomment-725790071
2020-11-11 20:01:10 -08:00
parent bd0eb07af2
commit eb9f2bb3b0
2 changed files with 22 additions and 9 deletions
--- a/compiler/rustc_middle/src/ty/mod.rs
+++ b/compiler/rustc_middle/src/ty/mod.rs
@@ -611,6 +611,18 @@ pub struct TyS<'tcx> {
    outer_exclusive_binder: ty::DebruijnIndex,
 }

+impl<'tcx> TyS<'tcx> {
+    /// A constructor used only for internal testing.
+    #[allow(rustc::usage_of_ty_tykind)]
+    pub fn make_for_test(
+        kind: TyKind<'tcx>,
+        flags: TypeFlags,
+        outer_exclusive_binder: ty::DebruijnIndex,
+    ) -> TyS<'tcx> {
+        TyS { kind, flags, outer_exclusive_binder }
+    }
+}
+
 // `TyS` is used a lot. Make sure it doesn't unintentionally get bigger.
 #[cfg(target_arch = "x86_64")]
 static_assert_size!(TyS<'_>, 32);