@@ -3,7 +3,7 @@ use super::{
33    NodeInfo ,  PostOrderId ,  TrackedValue ,  TrackedValueIndex , 
44} ; 
55use  hir:: { 
6-     intravisit:: { self ,  NestedVisitorMap ,   Visitor } , 
6+     intravisit:: { self ,  Visitor } , 
77    Body ,  Expr ,  ExprKind ,  Guard ,  HirId , 
88} ; 
99use  rustc_data_structures:: fx:: FxHashMap ; 
@@ -189,7 +189,6 @@ impl<'a, 'tcx> DropRangeVisitor<'a, 'tcx> {
189189            | ExprKind :: Continue ( ..) 
190190            | ExprKind :: Ret ( ..) 
191191            | ExprKind :: InlineAsm ( ..) 
192-             | ExprKind :: LlvmInlineAsm ( ..) 
193192            | ExprKind :: Struct ( ..) 
194193            | ExprKind :: Repeat ( ..) 
195194            | ExprKind :: Yield ( ..) 
@@ -213,12 +212,6 @@ impl<'a, 'tcx> DropRangeVisitor<'a, 'tcx> {
213212} 
214213
215214impl < ' a ,  ' tcx >  Visitor < ' tcx >  for  DropRangeVisitor < ' a ,  ' tcx >  { 
216-     type  Map  = intravisit:: ErasedMap < ' tcx > ; 
217- 
218-     fn  nested_visit_map ( & mut  self )  -> NestedVisitorMap < Self :: Map >  { 
219-         NestedVisitorMap :: None 
220-     } 
221- 
222215    fn  visit_expr ( & mut  self ,  expr :  & ' tcx  Expr < ' tcx > )  { 
223216        let  mut  reinit = None ; 
224217        match  expr. kind  { 
@@ -378,7 +371,6 @@ impl<'a, 'tcx> Visitor<'tcx> for DropRangeVisitor<'a, 'tcx> {
378371            | ExprKind :: InlineAsm ( ..) 
379372            | ExprKind :: Let ( ..) 
380373            | ExprKind :: Lit ( ..) 
381-             | ExprKind :: LlvmInlineAsm ( ..) 
382374            | ExprKind :: Path ( ..) 
383375            | ExprKind :: Repeat ( ..) 
384376            | ExprKind :: Ret ( ..) 
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