Merging upstream version 1.72.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/compiler/rustc_traits/src/lib.rs b/compiler/rustc_traits/src/lib.rs
index 907e2d39c..dfa581421 100644
--- a/compiler/rustc_traits/src/lib.rs
+++ b/compiler/rustc_traits/src/lib.rs
@@ -1,10 +1,8 @@
-//! New recursive solver modeled on Chalk's recursive solver. Most of
-//! the guts are broken up into modules; see the comments in those modules.
+//! Queries that are independent from the main solver code.
 
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]
 #![feature(let_chains)]
-#![feature(drain_filter)]
 #![recursion_limit = "256"]
 
 #[macro_use]
@@ -12,7 +10,6 @@ extern crate tracing;
 #[macro_use]
 extern crate rustc_middle;
 
-mod chalk;
 mod codegen;
 mod dropck_outlives;
 mod evaluate_obligation;
@@ -30,7 +27,6 @@ pub fn provide(p: &mut Providers) {
     dropck_outlives::provide(p);
     evaluate_obligation::provide(p);
     implied_outlives_bounds::provide(p);
-    chalk::provide(p);
     normalize_projection_ty::provide(p);
     normalize_erasing_regions::provide(p);
     type_op::provide(p);