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The optimization should also apply for DropAndReplace

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This commit is contained in:
Simon Vandel Sillesen 2020-09-19 14:25:53 +02:00
parent d3338dcf4d
commit f472303a93
1 changed files with 2 additions and 1 deletions
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3
compiler/rustc_mir/src/transform/remove_unneeded_drops.rs
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@ -29,7 +29,8 @@ impl<'tcx> MirPass<'tcx> for RemoveUnneededDrops {
impl<'a, 'tcx> Visitor<'tcx> for RemoveUnneededDropsOptimizationFinder<'a, 'tcx> {
fn visit_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location) {
match terminator.kind {
TerminatorKind::Drop { place, target, .. } => {
TerminatorKind::Drop { place, target, .. }
| TerminatorKind::DropAndReplace { place, target, .. } => {
let ty = place.ty(self.body, self.tcx);
let needs_drop = ty.ty.needs_drop(self.tcx, self.tcx.param_env(self.def_id));
if !needs_drop {