Remove `extern crate rustc_middle` from `rustc_mir_transform`.
diff --git a/compiler/rustc_mir_transform/src/abort_unwinding_calls.rs b/compiler/rustc_mir_transform/src/abort_unwinding_calls.rs
index ba70a44..d43fca3 100644
--- a/compiler/rustc_mir_transform/src/abort_unwinding_calls.rs
+++ b/compiler/rustc_mir_transform/src/abort_unwinding_calls.rs
@@ -1,5 +1,6 @@
use rustc_ast::InlineAsmOptions;
use rustc_middle::mir::*;
+use rustc_middle::span_bug;
use rustc_middle::ty::layout;
use rustc_middle::ty::{self, TyCtxt};
use rustc_target::spec::abi::Abi;
diff --git a/compiler/rustc_mir_transform/src/check_packed_ref.rs b/compiler/rustc_mir_transform/src/check_packed_ref.rs
index a405ed6..5f67bd7 100644
--- a/compiler/rustc_mir_transform/src/check_packed_ref.rs
+++ b/compiler/rustc_mir_transform/src/check_packed_ref.rs
@@ -1,5 +1,6 @@
use rustc_middle::mir::visit::{PlaceContext, Visitor};
use rustc_middle::mir::*;
+use rustc_middle::span_bug;
use rustc_middle::ty::{self, TyCtxt};
use crate::MirLint;
diff --git a/compiler/rustc_mir_transform/src/coroutine.rs b/compiler/rustc_mir_transform/src/coroutine.rs
index 3008016..a3e6e5a 100644
--- a/compiler/rustc_mir_transform/src/coroutine.rs
+++ b/compiler/rustc_mir_transform/src/coroutine.rs
@@ -70,6 +70,7 @@
use rustc_middle::ty::CoroutineArgs;
use rustc_middle::ty::InstanceDef;
use rustc_middle::ty::{self, Ty, TyCtxt};
+use rustc_middle::{bug, span_bug};
use rustc_mir_dataflow::impls::{
MaybeBorrowedLocals, MaybeLiveLocals, MaybeRequiresStorage, MaybeStorageLive,
};
diff --git a/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs b/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
index 3d6c1a9..10c0567 100644
--- a/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
+++ b/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
@@ -71,6 +71,7 @@
use rustc_data_structures::unord::UnordMap;
use rustc_hir as hir;
+use rustc_middle::bug;
use rustc_middle::hir::place::{Projection, ProjectionKind};
use rustc_middle::mir::visit::MutVisitor;
use rustc_middle::mir::{self, dump_mir, MirPass};
diff --git a/compiler/rustc_mir_transform/src/coverage/counters.rs b/compiler/rustc_mir_transform/src/coverage/counters.rs
index 6e73a47..b98554e 100644
--- a/compiler/rustc_mir_transform/src/coverage/counters.rs
+++ b/compiler/rustc_mir_transform/src/coverage/counters.rs
@@ -4,6 +4,7 @@
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::graph::DirectedGraph;
use rustc_index::IndexVec;
+use rustc_middle::bug;
use rustc_middle::mir::coverage::{CounterId, CovTerm, Expression, ExpressionId, Op};
use crate::coverage::graph::{BasicCoverageBlock, CoverageGraph, TraverseCoverageGraphWithLoops};
diff --git a/compiler/rustc_mir_transform/src/coverage/graph.rs b/compiler/rustc_mir_transform/src/coverage/graph.rs
index 1895735..fd74a2a 100644
--- a/compiler/rustc_mir_transform/src/coverage/graph.rs
+++ b/compiler/rustc_mir_transform/src/coverage/graph.rs
@@ -4,6 +4,7 @@
use rustc_data_structures::graph::{self, DirectedGraph, StartNode};
use rustc_index::bit_set::BitSet;
use rustc_index::IndexVec;
+use rustc_middle::bug;
use rustc_middle::mir::{self, BasicBlock, Terminator, TerminatorKind};
use std::cmp::Ordering;
diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs
index a0570c4..f2f76ac 100644
--- a/compiler/rustc_mir_transform/src/coverage/spans.rs
+++ b/compiler/rustc_mir_transform/src/coverage/spans.rs
@@ -1,3 +1,4 @@
+use rustc_middle::bug;
use rustc_middle::mir;
use rustc_span::{BytePos, Span};
diff --git a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs
index 4ce37b5..d1727a9 100644
--- a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs
+++ b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs
@@ -1,5 +1,6 @@
use rustc_data_structures::captures::Captures;
use rustc_data_structures::fx::FxHashSet;
+use rustc_middle::bug;
use rustc_middle::mir::coverage::CoverageKind;
use rustc_middle::mir::{
self, AggregateKind, FakeReadCause, Rvalue, Statement, StatementKind, Terminator,
diff --git a/compiler/rustc_mir_transform/src/coverage/tests.rs b/compiler/rustc_mir_transform/src/coverage/tests.rs
index cf1a2b3..ca64688 100644
--- a/compiler/rustc_mir_transform/src/coverage/tests.rs
+++ b/compiler/rustc_mir_transform/src/coverage/tests.rs
@@ -30,6 +30,7 @@
use itertools::Itertools;
use rustc_data_structures::graph::{DirectedGraph, Successors};
use rustc_index::{Idx, IndexVec};
+use rustc_middle::bug;
use rustc_middle::mir::*;
use rustc_middle::ty;
use rustc_span::{BytePos, Pos, Span, DUMMY_SP};
diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs
index 3019b27..a42d64f 100644
--- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs
+++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs
@@ -6,6 +6,7 @@
use rustc_const_eval::interpret::{ImmTy, Immediate, InterpCx, OpTy, PlaceTy, Projectable};
use rustc_data_structures::fx::FxHashMap;
use rustc_hir::def::DefKind;
+use rustc_middle::bug;
use rustc_middle::mir::interpret::{InterpResult, Scalar};
use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor};
use rustc_middle::mir::*;
diff --git a/compiler/rustc_mir_transform/src/dead_store_elimination.rs b/compiler/rustc_mir_transform/src/dead_store_elimination.rs
index e6317e5..08dba1d 100644
--- a/compiler/rustc_mir_transform/src/dead_store_elimination.rs
+++ b/compiler/rustc_mir_transform/src/dead_store_elimination.rs
@@ -13,6 +13,7 @@
//!
use crate::util::is_within_packed;
+use rustc_middle::bug;
use rustc_middle::mir::visit::Visitor;
use rustc_middle::mir::*;
use rustc_middle::ty::TyCtxt;
diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs
index 10fea09..1bc383f 100644
--- a/compiler/rustc_mir_transform/src/dest_prop.rs
+++ b/compiler/rustc_mir_transform/src/dest_prop.rs
@@ -135,6 +135,7 @@
use rustc_data_structures::fx::{FxIndexMap, IndexEntry, IndexOccupiedEntry};
use rustc_index::bit_set::BitSet;
use rustc_index::interval::SparseIntervalMatrix;
+use rustc_middle::bug;
use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor};
use rustc_middle::mir::HasLocalDecls;
use rustc_middle::mir::{dump_mir, PassWhere};
diff --git a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
index 318674f..d955b96 100644
--- a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
+++ b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
@@ -6,6 +6,7 @@
use rustc_middle::mir::patch::MirPatch;
use rustc_middle::mir::visit::MutVisitor;
use rustc_middle::mir::*;
+use rustc_middle::span_bug;
use rustc_middle::ty::{Ty, TyCtxt};
use rustc_target::abi::FieldIdx;
diff --git a/compiler/rustc_mir_transform/src/ffi_unwind_calls.rs b/compiler/rustc_mir_transform/src/ffi_unwind_calls.rs
index 0970c4d..5e3cd85 100644
--- a/compiler/rustc_mir_transform/src/ffi_unwind_calls.rs
+++ b/compiler/rustc_mir_transform/src/ffi_unwind_calls.rs
@@ -4,6 +4,7 @@
use rustc_middle::query::Providers;
use rustc_middle::ty::layout;
use rustc_middle::ty::{self, TyCtxt};
+use rustc_middle::{bug, span_bug};
use rustc_session::lint::builtin::FFI_UNWIND_CALLS;
use rustc_target::spec::abi::Abi;
use rustc_target::spec::PanicStrategy;
diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs
index 342d1a1..123166a 100644
--- a/compiler/rustc_mir_transform/src/gvn.rs
+++ b/compiler/rustc_mir_transform/src/gvn.rs
@@ -91,6 +91,7 @@
use rustc_index::bit_set::BitSet;
use rustc_index::newtype_index;
use rustc_index::IndexVec;
+use rustc_middle::bug;
use rustc_middle::mir::interpret::GlobalAlloc;
use rustc_middle::mir::visit::*;
use rustc_middle::mir::*;
diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs
index 7a3b08f..401056c 100644
--- a/compiler/rustc_mir_transform/src/inline.rs
+++ b/compiler/rustc_mir_transform/src/inline.rs
@@ -6,6 +6,7 @@
use rustc_hir::def_id::DefId;
use rustc_index::bit_set::BitSet;
use rustc_index::Idx;
+use rustc_middle::bug;
use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs};
use rustc_middle::mir::visit::*;
use rustc_middle::mir::*;
diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs
index fd768cc..f1adeab 100644
--- a/compiler/rustc_mir_transform/src/instsimplify.rs
+++ b/compiler/rustc_mir_transform/src/instsimplify.rs
@@ -2,6 +2,7 @@
use crate::simplify::simplify_duplicate_switch_targets;
use rustc_ast::attr;
+use rustc_middle::bug;
use rustc_middle::mir::*;
use rustc_middle::ty::layout;
use rustc_middle::ty::layout::ValidityRequirement;
diff --git a/compiler/rustc_mir_transform/src/jump_threading.rs b/compiler/rustc_mir_transform/src/jump_threading.rs
index a458297..ae80765 100644
--- a/compiler/rustc_mir_transform/src/jump_threading.rs
+++ b/compiler/rustc_mir_transform/src/jump_threading.rs
@@ -41,6 +41,7 @@
use rustc_data_structures::fx::FxHashSet;
use rustc_index::bit_set::BitSet;
use rustc_index::IndexVec;
+use rustc_middle::bug;
use rustc_middle::mir::interpret::Scalar;
use rustc_middle::mir::visit::Visitor;
use rustc_middle::mir::*;
diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs
index 90c1c7b..d0a5a6c 100644
--- a/compiler/rustc_mir_transform/src/known_panics_lint.rs
+++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs
@@ -14,6 +14,7 @@
use rustc_hir::def::DefKind;
use rustc_hir::HirId;
use rustc_index::{bit_set::BitSet, IndexVec};
+use rustc_middle::bug;
use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor};
use rustc_middle::mir::*;
use rustc_middle::ty::layout::{LayoutError, LayoutOf, LayoutOfHelpers, TyAndLayout};
diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index e69c5da..9af48f0 100644
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -16,8 +16,6 @@
#[macro_use]
extern crate tracing;
-#[macro_use]
-extern crate rustc_middle;
use hir::ConstContext;
use required_consts::RequiredConstsVisitor;
@@ -38,6 +36,7 @@
use rustc_middle::query;
use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt};
use rustc_middle::util::Providers;
+use rustc_middle::{bug, span_bug};
use rustc_span::{source_map::Spanned, sym, DUMMY_SP};
use rustc_trait_selection::traits;
diff --git a/compiler/rustc_mir_transform/src/lower_intrinsics.rs b/compiler/rustc_mir_transform/src/lower_intrinsics.rs
index da63fcf..43d8c45 100644
--- a/compiler/rustc_mir_transform/src/lower_intrinsics.rs
+++ b/compiler/rustc_mir_transform/src/lower_intrinsics.rs
@@ -2,6 +2,7 @@
use rustc_middle::mir::*;
use rustc_middle::ty::{self, TyCtxt};
+use rustc_middle::{bug, span_bug};
use rustc_span::symbol::sym;
pub struct LowerIntrinsics;
diff --git a/compiler/rustc_mir_transform/src/nrvo.rs b/compiler/rustc_mir_transform/src/nrvo.rs
index 232c290..885dbd5 100644
--- a/compiler/rustc_mir_transform/src/nrvo.rs
+++ b/compiler/rustc_mir_transform/src/nrvo.rs
@@ -2,6 +2,7 @@
use rustc_hir::Mutability;
use rustc_index::bit_set::BitSet;
+use rustc_middle::bug;
use rustc_middle::mir::visit::{MutVisitor, NonUseContext, PlaceContext, Visitor};
use rustc_middle::mir::{self, BasicBlock, Local, Location};
use rustc_middle::ty::TyCtxt;
diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs
index 689a547..b3116c0 100644
--- a/compiler/rustc_mir_transform/src/promote_consts.rs
+++ b/compiler/rustc_mir_transform/src/promote_consts.rs
@@ -20,6 +20,7 @@
use rustc_middle::mir::*;
use rustc_middle::ty::GenericArgs;
use rustc_middle::ty::{self, List, Ty, TyCtxt, TypeVisitableExt};
+use rustc_middle::{bug, span_bug};
use rustc_span::Span;
use rustc_index::{Idx, IndexSlice, IndexVec};
diff --git a/compiler/rustc_mir_transform/src/ref_prop.rs b/compiler/rustc_mir_transform/src/ref_prop.rs
index 044ae32..801ef14 100644
--- a/compiler/rustc_mir_transform/src/ref_prop.rs
+++ b/compiler/rustc_mir_transform/src/ref_prop.rs
@@ -1,6 +1,7 @@
use rustc_data_structures::fx::FxHashSet;
use rustc_index::bit_set::BitSet;
use rustc_index::IndexVec;
+use rustc_middle::bug;
use rustc_middle::mir::visit::*;
use rustc_middle::mir::*;
use rustc_middle::ty::TyCtxt;
diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs
index 1c85a60..cd8a43d 100644
--- a/compiler/rustc_mir_transform/src/shim.rs
+++ b/compiler/rustc_mir_transform/src/shim.rs
@@ -5,6 +5,7 @@
use rustc_middle::query::Providers;
use rustc_middle::ty::GenericArgs;
use rustc_middle::ty::{self, CoroutineArgs, EarlyBinder, Ty, TyCtxt};
+use rustc_middle::{bug, span_bug};
use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT};
use rustc_index::{Idx, IndexVec};
diff --git a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
index 80eadb9..0d023c6 100644
--- a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
+++ b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs
@@ -14,6 +14,7 @@
use rustc_middle::ty::adjustment::PointerCoercion;
use rustc_middle::ty::util::Discr;
use rustc_middle::ty::{self, Ty, TyCtxt};
+use rustc_middle::{bug, span_bug};
use rustc_span::source_map::respan;
use rustc_span::{Span, Symbol};
use rustc_target::abi::{FieldIdx, VariantIdx};
diff --git a/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs b/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs
index 1a8cfc4..03907ba 100644
--- a/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs
+++ b/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs
@@ -2,6 +2,7 @@
use super::MirPass;
use rustc_middle::{
+ bug,
mir::{
interpret::Scalar, BasicBlock, BinOp, Body, Operand, Place, Rvalue, Statement,
StatementKind, SwitchTargets, TerminatorKind,
diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs
index 06d5e17..cdf3305 100644
--- a/compiler/rustc_mir_transform/src/sroa.rs
+++ b/compiler/rustc_mir_transform/src/sroa.rs
@@ -1,6 +1,7 @@
use rustc_data_structures::flat_map_in_place::FlatMapInPlace;
use rustc_index::bit_set::{BitSet, GrowableBitSet};
use rustc_index::IndexVec;
+use rustc_middle::bug;
use rustc_middle::mir::patch::MirPatch;
use rustc_middle::mir::visit::*;
use rustc_middle::mir::*;
diff --git a/compiler/rustc_mir_transform/src/ssa.rs b/compiler/rustc_mir_transform/src/ssa.rs
index 55fed7d..fb87042 100644
--- a/compiler/rustc_mir_transform/src/ssa.rs
+++ b/compiler/rustc_mir_transform/src/ssa.rs
@@ -9,6 +9,7 @@
use rustc_data_structures::graph::dominators::Dominators;
use rustc_index::bit_set::BitSet;
use rustc_index::{IndexSlice, IndexVec};
+use rustc_middle::bug;
use rustc_middle::middle::resolve_bound_vars::Set1;
use rustc_middle::mir::visit::*;
use rustc_middle::mir::*;
diff --git a/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs b/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs
index 66b6235..1404a45 100644
--- a/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs
+++ b/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs
@@ -2,6 +2,7 @@
use crate::MirPass;
use rustc_data_structures::fx::FxHashSet;
+use rustc_middle::bug;
use rustc_middle::mir::patch::MirPatch;
use rustc_middle::mir::{
BasicBlock, BasicBlockData, BasicBlocks, Body, Local, Operand, Rvalue, StatementKind,
diff --git a/compiler/rustc_mir_transform/src/unreachable_prop.rs b/compiler/rustc_mir_transform/src/unreachable_prop.rs
index 8ad7bc39..a6c3c3b 100644
--- a/compiler/rustc_mir_transform/src/unreachable_prop.rs
+++ b/compiler/rustc_mir_transform/src/unreachable_prop.rs
@@ -3,6 +3,7 @@
//! post-order traversal of the blocks.
use rustc_data_structures::fx::FxHashSet;
+use rustc_middle::bug;
use rustc_middle::mir::interpret::Scalar;
use rustc_middle::mir::patch::MirPatch;
use rustc_middle::mir::*;
