Auto merge of #9148 - arieluy:then_some_unwrap_or, r=Jarcho

[rust.git] / clippy_lints / src / redundant_clone.rs

diff --git a/clippy_lints/src/redundant_clone.rs b/clippy_lints/src/redundant_clone.rs
index 0004b8afdd37557abdfa3cc60d6971423c14304c..eddca60457574822fb1917afc8fc9ac81f3233ce 100644 (file)
--- a/clippy_lints/src/redundant_clone.rs
+++ b/clippy_lints/src/redundant_clone.rs
@@ -14,7 +14,7 @@
     visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor as _},
     Mutability,
 };
-use rustc_middle::ty::{self, fold::TypeVisitor, Ty};
+use rustc_middle::ty::{self, visit::TypeVisitor, Ty};
 use rustc_mir_dataflow::{Analysis, AnalysisDomain, CallReturnPlaces, GenKill, GenKillAnalysis, ResultsCursor};
 use rustc_session::{declare_lint_pass, declare_tool_lint};
 use rustc_span::source_map::{BytePos, Span};
@@ -161,7 +161,7 @@ fn check_fn(
                 // `arg` is a reference as it is `.deref()`ed in the previous block.
                 // Look into the predecessor block and find out the source of deref.
 
-                let ps = &mir.predecessors()[bb];
+                let ps = &mir.basic_blocks.predecessors()[bb];
                 if ps.len() != 1 {
                     continue;
                 }
@@ -255,7 +255,7 @@ fn check_fn(
                         diag.span_suggestion(
                             sugg_span,
                             "remove this",
-                            String::new(),
+                            "",
                             app,
                         );
                         if clone_usage.cloned_used {
@@ -288,11 +288,11 @@ fn is_call_with_ref_arg<'tcx>(
         if let mir::TerminatorKind::Call { func, args, destination, .. } = kind;
         if args.len() == 1;
         if let mir::Operand::Move(mir::Place { local, .. }) = &args[0];
-        if let ty::FnDef(def_id, _) = *func.ty(&*mir, cx.tcx).kind();
-        if let (inner_ty, 1) = walk_ptrs_ty_depth(args[0].ty(&*mir, cx.tcx));
+        if let ty::FnDef(def_id, _) = *func.ty(mir, cx.tcx).kind();
+        if let (inner_ty, 1) = walk_ptrs_ty_depth(args[0].ty(mir, cx.tcx));
         if !is_copy(cx, inner_ty);
         then {
-            Some((def_id, *local, inner_ty, destination.as_ref().map(|(dest, _)| dest)?.as_local()?))
+            Some((def_id, *local, inner_ty, destination.as_local()?))
         } else {
             None
         }
@@ -318,7 +318,7 @@ fn find_stmt_assigns_to<'tcx>(
         None
     })?;
 
-    match (by_ref, &*rvalue) {
+    match (by_ref, rvalue) {
         (true, mir::Rvalue::Ref(_, _, place)) | (false, mir::Rvalue::Use(mir::Operand::Copy(place))) => {
             Some(base_local_and_movability(cx, mir, *place))
         },
@@ -584,7 +584,7 @@ fn visit_assign(&mut self, place: &mir::Place<'tcx>, rvalue: &mir::Rvalue<'_>, _
     fn visit_terminator(&mut self, terminator: &mir::Terminator<'_>, _loc: mir::Location) {
         if let mir::TerminatorKind::Call {
             args,
-            destination: Some((mir::Place { local: dest, .. }, _)),
+            destination: mir::Place { local: dest, .. },
             ..
         } = &terminator.kind
         {