cleanup global imports a bit

src/tools/miri/src/lib.rs

@@ -90,8 +90,7 @@ pub use crate::concurrency::{
     init_once::{EvalContextExt as _, InitOnceId},
     sync::{CondvarId, EvalContextExt as _, MutexId, RwLockId, SyncId},
     thread::{
-        EvalContextExt as _, SchedulingAction, StackEmptyCallback, ThreadId, ThreadManager,
-        ThreadState, Time,
+        EvalContextExt as _, SchedulingAction, StackEmptyCallback, ThreadId, ThreadManager, Time,
     },
 };
 pub use crate::diagnostics::{
@@ -110,7 +109,7 @@ pub use crate::mono_hash_map::MonoHashMap;
 pub use crate::operator::EvalContextExt as _;
 pub use crate::range_map::RangeMap;
 pub use crate::stacked_borrows::{
-    CallId, EvalContextExt as _, Item, Permission, RetagFields, SbTag, Stack, Stacks,
+    CallId, EvalContextExt as _, Item, Permission, RetagFields, SbTag,
 };
 pub use crate::tag_gc::{EvalContextExt as _, VisitTags};
 

src/tools/miri/src/machine.rs

@@ -908,7 +908,13 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> {
 
         let alloc = alloc.into_owned();
         let stacks = ecx.machine.stacked_borrows.as_ref().map(|stacked_borrows| {
-            Stacks::new_allocation(id, alloc.size(), stacked_borrows, kind, &ecx.machine)
+            stacked_borrows::Stacks::new_allocation(
+                id,
+                alloc.size(),
+                stacked_borrows,
+                kind,
+                &ecx.machine,
+            )
         });
         let race_alloc = ecx.machine.data_race.as_ref().map(|data_race| {
             data_race::AllocExtra::new_allocation(

src/tools/miri/src/stacked_borrows/diagnostics.rs

@@ -5,7 +5,9 @@ use rustc_middle::mir::interpret::{alloc_range, AllocId, AllocRange};
 use rustc_span::{Span, SpanData};
 use rustc_target::abi::Size;
 
-use crate::stacked_borrows::{err_sb_ub, AccessKind, GlobalStateInner, Permission, ProtectorKind};
+use crate::stacked_borrows::{
+    err_sb_ub, AccessKind, GlobalStateInner, Permission, ProtectorKind, Stack,
+};
 use crate::*;
 
 use rustc_middle::mir::interpret::InterpError;