Check const Drop impls considering ConstIfConst bounds

2022-01-18 01:43:49 -08:00
parent f9eb0b3b7b
commit 6ed42a7ca4
7 changed files with 227 additions and 167 deletions
--- a/compiler/rustc_middle/src/traits/structural_impls.rs
+++ b/compiler/rustc_middle/src/traits/structural_impls.rs
@@ -120,6 +120,12 @@ impl<'tcx, N: fmt::Debug> fmt::Debug for traits::ImplSourceTraitAliasData<'tcx,
    }
 }

+impl<N: fmt::Debug> fmt::Debug for traits::ImplSourceConstDropData<N> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "ImplSourceConstDropData(nested={:?})", self.nested)
+    }
+}
+
 ///////////////////////////////////////////////////////////////////////////
 // Lift implementations

@@ -127,5 +133,4 @@ TrivialTypeFoldableAndLiftImpls! {
    super::IfExpressionCause,
    super::ImplSourceDiscriminantKindData,
    super::ImplSourcePointeeData,
-    super::ImplSourceConstDropData,
 }