super_ty on MutVisitor is empty so avoid the call

rust-lang · Oct 18, 2019 · 5de9cb0 · 5de9cb0
1 parent e413dc3
commit 5de9cb0
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/src/librustc_mir/transform/erase_regions.rs b/src/librustc_mir/transform/erase_regions.rs
@@ -25,7 +25,6 @@ impl EraseRegionsVisitor<'tcx> {
 impl MutVisitor<'tcx> for EraseRegionsVisitor<'tcx> {
     fn visit_ty(&mut self, ty: &mut Ty<'tcx>, _: TyContext) {
         *ty = self.tcx.erase_regions(ty);
-        self.super_ty(ty);
     }
 
     fn visit_region(&mut self, region: &mut ty::Region<'tcx>, _: Location) {