Revert "Implement allow-by-default multiple_supertrait_upcastable lint"

This reverts commit 5e44a65517.
2022-12-29 00:47:23 -08:00
parent c5f66726f0
commit 06ec0bf8b0
7 changed files with 0 additions and 74 deletions
--- a/library/core/src/error.rs
+++ b/library/core/src/error.rs
@@ -28,7 +28,6 @@ use crate::fmt::{Debug, Display};
 #[stable(feature = "rust1", since = "1.0.0")]
 #[cfg_attr(not(test), rustc_diagnostic_item = "Error")]
 #[rustc_has_incoherent_inherent_impls]
-#[cfg_attr(not(bootstrap), allow(multiple_supertrait_upcastable))]
 pub trait Error: Debug + Display {
    /// The lower-level source of this error, if any.
    ///