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super_ty on MutVisitor is empty so avoid the call

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Santiago Pastorino 2019-10-07 19:36:48 -03:00
parent e413dc36a8
commit 5de9cb0703
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src/librustc_mir/transform/erase_regions.rs
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@ -25,7 +25,6 @@ pub fn new(tcx: TyCtxt<'tcx>) -> Self {
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) {