Remove extern crate rustc_middle from rustc_ty_utils.

compiler/rustc_ty_utils/src/abi.rs

@@ -1,5 +1,6 @@
 use rustc_hir as hir;
 use rustc_hir::lang_items::LangItem;
+use rustc_middle::bug;
 use rustc_middle::query::Providers;
 use rustc_middle::ty::layout::{
     fn_can_unwind, FnAbiError, HasParamEnv, HasTyCtxt, LayoutCx, LayoutOf, TyAndLayout,

compiler/rustc_ty_utils/src/assoc.rs

@@ -5,6 +5,7 @@ use rustc_hir::def_id::{DefId, DefIdMap, LocalDefId};
 use rustc_hir::intravisit::{self, Visitor};
 use rustc_middle::query::Providers;
 use rustc_middle::ty::{self, ImplTraitInTraitData, TyCtxt};
+use rustc_middle::{bug, span_bug};
 use rustc_span::symbol::kw;
 
 pub(crate) fn provide(providers: &mut Providers) {

compiler/rustc_ty_utils/src/consts.rs

@@ -1,6 +1,7 @@
 use rustc_errors::ErrorGuaranteed;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::LocalDefId;
+use rustc_middle::bug;
 use rustc_middle::mir::interpret::{LitToConstError, LitToConstInput};
 use rustc_middle::query::Providers;
 use rustc_middle::thir::visit;

compiler/rustc_ty_utils/src/implied_bounds.rs

@@ -2,6 +2,7 @@ use rustc_data_structures::fx::FxHashMap;
 use rustc_hir as hir;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::LocalDefId;
+use rustc_middle::bug;
 use rustc_middle::query::Providers;
 use rustc_middle::ty::{self, Ty, TyCtxt};
 use rustc_span::Span;

compiler/rustc_ty_utils/src/instance.rs

@@ -1,6 +1,7 @@
 use rustc_errors::ErrorGuaranteed;
 use rustc_hir::def_id::DefId;
 use rustc_infer::infer::TyCtxtInferExt;
+use rustc_middle::bug;
 use rustc_middle::query::Providers;
 use rustc_middle::traits::{BuiltinImplSource, CodegenObligationError};
 use rustc_middle::ty::GenericArgsRef;

compiler/rustc_ty_utils/src/layout.rs

@@ -2,6 +2,7 @@ use hir::def_id::DefId;
 use rustc_hir as hir;
 use rustc_index::bit_set::BitSet;
 use rustc_index::{IndexSlice, IndexVec};
+use rustc_middle::bug;
 use rustc_middle::mir::{CoroutineLayout, CoroutineSavedLocal};
 use rustc_middle::query::Providers;
 use rustc_middle::ty::layout::{

compiler/rustc_ty_utils/src/layout_sanity_check.rs

@@ -1,3 +1,4 @@
+use rustc_middle::bug;
 use rustc_middle::ty::{
     layout::{LayoutCx, TyAndLayout},
     TyCtxt,

compiler/rustc_ty_utils/src/lib.rs

@@ -16,8 +16,6 @@
 #![feature(let_chains)]
 #![feature(never_type)]
 
-#[macro_use]
-extern crate rustc_middle;
 #[macro_use]
 extern crate tracing;
 

compiler/rustc_ty_utils/src/needs_drop.rs

@@ -2,6 +2,7 @@
 
 use rustc_data_structures::fx::FxHashSet;
 use rustc_hir::def_id::DefId;
+use rustc_middle::bug;
 use rustc_middle::query::Providers;
 use rustc_middle::ty::util::{needs_drop_components, AlwaysRequiresDrop};
 use rustc_middle::ty::GenericArgsRef;

compiler/rustc_ty_utils/src/opaque_types.rs

@@ -2,6 +2,7 @@ use rustc_data_structures::fx::FxHashSet;
 use rustc_hir::intravisit::Visitor;
 use rustc_hir::{def::DefKind, def_id::LocalDefId};
 use rustc_hir::{intravisit, CRATE_HIR_ID};
+use rustc_middle::bug;
 use rustc_middle::query::Providers;
 use rustc_middle::ty::util::{CheckRegions, NotUniqueParam};
 use rustc_middle::ty::{self, Ty, TyCtxt};

compiler/rustc_ty_utils/src/representability.rs

@@ -1,5 +1,6 @@
 use rustc_hir::def::DefKind;
 use rustc_index::bit_set::BitSet;
+use rustc_middle::bug;
 use rustc_middle::query::Providers;
 use rustc_middle::ty::{self, Representability, Ty, TyCtxt};
 use rustc_span::def_id::LocalDefId;

compiler/rustc_ty_utils/src/sig_types.rs

@@ -4,6 +4,7 @@
 use rustc_ast_ir::try_visit;
 use rustc_ast_ir::visit::VisitorResult;
 use rustc_hir::{def::DefKind, def_id::LocalDefId};
+use rustc_middle::span_bug;
 use rustc_middle::ty::{self, TyCtxt};
 use rustc_span::Span;
 use rustc_type_ir::visit::TypeVisitable;

compiler/rustc_ty_utils/src/ty.rs

@@ -3,6 +3,7 @@ use rustc_hir as hir;
 use rustc_hir::def::DefKind;
 use rustc_hir::LangItem;
 use rustc_index::bit_set::BitSet;
+use rustc_middle::bug;
 use rustc_middle::query::Providers;
 use rustc_middle::ty::{self, EarlyBinder, Ty, TyCtxt, TypeVisitableExt, TypeVisitor};
 use rustc_middle::ty::{ToPredicate, TypeSuperVisitable, TypeVisitable};