Remove extern crate rustc_middle from rustc_mir_transform.

Author: nnethercote

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;

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;

compiler/rustc_mir_transform/src/coroutine.rs

@@ -70,6 +70,7 @@ use rustc_middle::mir::*;
 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,
 };

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};

compiler/rustc_mir_transform/src/coverage/counters.rs

@@ -4,6 +4,7 @@ use rustc_data_structures::captures::Captures;
 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};

compiler/rustc_mir_transform/src/coverage/graph.rs

@@ -4,6 +4,7 @@ use rustc_data_structures::graph::dominators::{self, Dominators};
 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;

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};
 

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,

compiler/rustc_mir_transform/src/coverage/tests.rs

@@ -30,6 +30,7 @@ use super::graph::{self, BasicCoverageBlock};
 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};

compiler/rustc_mir_transform/src/dataflow_const_prop.rs

@@ -6,6 +6,7 @@ use rustc_const_eval::const_eval::{throw_machine_stop_str, DummyMachine};
 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::*;

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;

compiler/rustc_mir_transform/src/dest_prop.rs

@@ -135,6 +135,7 @@ use crate::MirPass;
 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};

compiler/rustc_mir_transform/src/elaborate_box_derefs.rs

@@ -6,6 +6,7 @@ use rustc_hir::def_id::DefId;
 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;
 

compiler/rustc_mir_transform/src/ffi_unwind_calls.rs

@@ -4,6 +4,7 @@ use rustc_middle::query::LocalCrate;
 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;

compiler/rustc_mir_transform/src/gvn.rs

@@ -91,6 +91,7 @@ use rustc_hir::def::DefKind;
 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::*;

compiler/rustc_mir_transform/src/inline.rs

@@ -6,6 +6,7 @@ use rustc_hir::def::DefKind;
 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::*;

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;

compiler/rustc_mir_transform/src/jump_threading.rs

@@ -41,6 +41,7 @@ use rustc_const_eval::interpret::{ImmTy, Immediate, InterpCx, OpTy, Projectable}
 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::*;

compiler/rustc_mir_transform/src/known_panics_lint.rs

@@ -14,6 +14,7 @@ use rustc_data_structures::fx::FxHashSet;
 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};

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::mir::{
 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;
 

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;

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;

compiler/rustc_mir_transform/src/promote_consts.rs

@@ -20,6 +20,7 @@ use rustc_middle::mir::visit::{MutVisitor, MutatingUseContext, PlaceContext, Vis
 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};

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;

compiler/rustc_mir_transform/src/shim.rs

@@ -5,6 +5,7 @@ use rustc_middle::mir::*;
 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};

compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs

@@ -14,6 +14,7 @@ use rustc_middle::mir::{
 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};

compiler/rustc_mir_transform/src/simplify_comparison_integral.rs

@@ -2,6 +2,7 @@ use std::iter;
 
 use super::MirPass;
 use rustc_middle::{
+    bug,
     mir::{
         interpret::Scalar, BasicBlock, BinOp, Body, Operand, Place, Rvalue, Statement,
         StatementKind, SwitchTargets, TerminatorKind,

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::*;

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::*;

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,

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::*;