Revert "Auto merge of rust-lang#118133 - Urgau:stabilize_trait_upcasting, r=WaffleLapkin"

oli-obk · oli-obk · commit d21a1f353868 · 2024-01-22T14:24:31.000Z
This reverts commit 6d2b84b, reversing changes made to 73bc121.
diff --git a/core/tests/lib.rs b/core/tests/lib.rs
@@ -113,6 +113,7 @@
 #![feature(slice_flatten)]
 #![feature(error_generic_member_access)]
 #![feature(error_in_core)]
+#![cfg_attr(not(bootstrap), feature(trait_upcasting))]
 #![feature(utf8_chunks)]
 #![feature(is_ascii_octdigit)]
 #![feature(get_many_mut)]
