Revert "Auto merge of #92306 - Aaron1011:opaque-type-op, r=oli-obk"

This reverts commit 1f0a96862a, reversing changes made to bf242bb119.
2022-02-11 07:17:16 +00:00
parent 7a71b7a99e
commit 2d8b8f3593
14 changed files with 71 additions and 231 deletions
--- a/compiler/rustc_infer/src/lib.rs
+++ b/compiler/rustc_infer/src/lib.rs
@@ -22,7 +22,6 @@
 #![feature(control_flow_enum)]
 #![feature(min_specialization)]
 #![feature(label_break_value)]
-#![feature(backtrace)]
 #![recursion_limit = "512"] // For rustdoc
 #![cfg_attr(not(bootstrap), allow(rustc::potential_query_instability))]