Rename some lifetimes.

Giving them more typical names.

compiler/rustc_borrowck/src/type_check/relate_tys.rs

@@ -58,8 +58,8 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
     }
 }
 
-struct NllTypeRelating<'me, 'bccx, 'tcx> {
-    type_checker: &'me mut TypeChecker<'bccx, 'tcx>,
+struct NllTypeRelating<'a, 'b, 'tcx> {
+    type_checker: &'a mut TypeChecker<'b, 'tcx>,
 
     /// Where (and why) is this relation taking place?
     locations: Locations,
@@ -82,9 +82,9 @@ struct NllTypeRelating<'me, 'bccx, 'tcx> {
     ambient_variance_info: ty::VarianceDiagInfo<TyCtxt<'tcx>>,
 }
 
-impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> {
+impl<'a, 'b, 'tcx> NllTypeRelating<'a, 'b, 'tcx> {
     fn new(
-        type_checker: &'me mut TypeChecker<'bccx, 'tcx>,
+        type_checker: &'a mut TypeChecker<'b, 'tcx>,
         locations: Locations,
         category: ConstraintCategory<'tcx>,
         universe_info: UniverseInfo<'tcx>,
@@ -309,7 +309,7 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> {
     }
 }
 
-impl<'bccx, 'tcx> TypeRelation<TyCtxt<'tcx>> for NllTypeRelating<'_, 'bccx, 'tcx> {
+impl<'b, 'tcx> TypeRelation<TyCtxt<'tcx>> for NllTypeRelating<'_, 'b, 'tcx> {
     fn cx(&self) -> TyCtxt<'tcx> {
         self.type_checker.infcx.tcx
     }
@@ -520,7 +520,7 @@ impl<'bccx, 'tcx> TypeRelation<TyCtxt<'tcx>> for NllTypeRelating<'_, 'bccx, 'tcx
     }
 }
 
-impl<'bccx, 'tcx> PredicateEmittingRelation<InferCtxt<'tcx>> for NllTypeRelating<'_, 'bccx, 'tcx> {
+impl<'b, 'tcx> PredicateEmittingRelation<InferCtxt<'tcx>> for NllTypeRelating<'_, 'b, 'tcx> {
     fn span(&self) -> Span {
         self.locations.span(self.type_checker.body)
     }

compiler/rustc_mir_dataflow/src/elaborate_drops.rs

@@ -155,11 +155,11 @@ pub trait DropElaborator<'a, 'tcx>: fmt::Debug {
 }
 
 #[derive(Debug)]
-struct DropCtxt<'l, 'b, 'tcx, D>
+struct DropCtxt<'a, 'b, 'tcx, D>
 where
     D: DropElaborator<'b, 'tcx>,
 {
-    elaborator: &'l mut D,
+    elaborator: &'a mut D,
 
     source_info: SourceInfo,
 
@@ -192,7 +192,7 @@ pub fn elaborate_drop<'b, 'tcx, D>(
     DropCtxt { elaborator, source_info, place, path, succ, unwind }.elaborate_drop(bb)
 }
 
-impl<'l, 'b, 'tcx, D> DropCtxt<'l, 'b, 'tcx, D>
+impl<'a, 'b, 'tcx, D> DropCtxt<'a, 'b, 'tcx, D>
 where
     D: DropElaborator<'b, 'tcx>,
     'tcx: 'b,