Implement pointer casting.

2021-07-31 22:46:23 +08:00
parent 7069a8c2b7
commit 63ed625313
11 changed files with 256 additions and 88 deletions
--- a/compiler/rustc_query_impl/src/keys.rs
+++ b/compiler/rustc_query_impl/src/keys.rs
@@ -282,6 +282,16 @@ impl<'tcx> Key for ty::PolyTraitRef<'tcx> {
    }
 }

+impl<'tcx> Key for (ty::PolyTraitRef<'tcx>, ty::PolyTraitRef<'tcx>) {
+    #[inline(always)]
+    fn query_crate_is_local(&self) -> bool {
+        self.0.def_id().krate == LOCAL_CRATE
+    }
+    fn default_span(&self, tcx: TyCtxt<'_>) -> Span {
+        tcx.def_span(self.0.def_id())
+    }
+}
+
 impl<'tcx> Key for GenericArg<'tcx> {
    #[inline(always)]
    fn query_crate_is_local(&self) -> bool {