Rollup merge of #136336 - nnethercote:overhaul-rustc_middle-util, r=jieyouxu

Overhaul `rustc_middle::util`

It's an odd module with some odd stuff in it.

r? `@Noratrieb`

2 files changed, 5 insertions, 8 deletions

diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
index 07dcbba019a..0118b72962d 100644
--- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
@@ -3777,7 +3777,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         let tcx = self.infcx.tcx;
         if let Some(Terminator { kind: TerminatorKind::Call { call_source, fn_span, .. }, .. }) =
             &self.body[loan.reserve_location.block].terminator
-            && let Some((method_did, method_args)) = rustc_middle::util::find_self_call(
+            && let Some((method_did, method_args)) = mir::find_self_call(
                 tcx,
                 self.body,
                 loan.assigned_place.local,
diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs
index bd6f77156ca..5fe8eef3460 100644
--- a/compiler/rustc_borrowck/src/diagnostics/mod.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs
@@ -17,7 +17,7 @@ use rustc_middle::mir::tcx::PlaceTy;
 use rustc_middle::mir::{
     AggregateKind, CallSource, ConstOperand, ConstraintCategory, FakeReadCause, Local, LocalInfo,
     LocalKind, Location, Operand, Place, PlaceRef, ProjectionElem, Rvalue, Statement,
-    StatementKind, Terminator, TerminatorKind,
+    StatementKind, Terminator, TerminatorKind, find_self_call,
 };
 use rustc_middle::ty::print::Print;
 use rustc_middle::ty::{self, Ty, TyCtxt};
@@ -1016,12 +1016,9 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             kind: TerminatorKind::Call { fn_span, call_source, .. }, ..
         }) = &self.body[location.block].terminator
         {
-            let Some((method_did, method_args)) = rustc_middle::util::find_self_call(
-                self.infcx.tcx,
-                self.body,
-                target_temp,
-                location.block,
-            ) else {
+            let Some((method_did, method_args)) =
+                find_self_call(self.infcx.tcx, self.body, target_temp, location.block)
+            else {
                 return normal_ret;
             };