Remove `extern crate rustc_middle` from numerous crates.

3 files changed, 3 insertions, 2 deletions

diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs
index a8fa6fe002d..dd1065590b3 100644
--- a/compiler/rustc_monomorphize/src/collector.rs
+++ b/compiler/rustc_monomorphize/src/collector.rs
@@ -228,6 +228,7 @@ use rustc_middle::ty::{
     TypeVisitableExt, VtblEntry,
 };
 use rustc_middle::ty::{GenericArgKind, GenericArgs};
+use rustc_middle::{bug, span_bug};
 use rustc_session::config::EntryFnType;
 use rustc_session::Limit;
 use rustc_span::source_map::{dummy_spanned, respan, Spanned};
diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs
index 2a91d69529a..cbab2006186 100644
--- a/compiler/rustc_monomorphize/src/lib.rs
+++ b/compiler/rustc_monomorphize/src/lib.rs
@@ -4,10 +4,9 @@
 
 #[macro_use]
 extern crate tracing;
-#[macro_use]
-extern crate rustc_middle;
 
 use rustc_hir::lang_items::LangItem;
+use rustc_middle::bug;
 use rustc_middle::query::{Providers, TyCtxtAt};
 use rustc_middle::traits;
 use rustc_middle::ty::adjustment::CustomCoerceUnsized;
diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs
index 23e07890bb6..8f7b4c6472c 100644
--- a/compiler/rustc_monomorphize/src/partitioning.rs
+++ b/compiler/rustc_monomorphize/src/partitioning.rs
@@ -103,6 +103,7 @@ use rustc_data_structures::sync;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::{DefId, DefIdSet, LOCAL_CRATE};
 use rustc_hir::definitions::DefPathDataName;
+use rustc_middle::bug;
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::middle::exported_symbols::{SymbolExportInfo, SymbolExportLevel};
 use rustc_middle::mir::mono::{