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Auto merge of #99667 - ouz-a:some_branch, r=oli-obk

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Optimize `UnDerefer`

Addresses the performance [issues](https://github.com/rust-lang/rust/pull/98145#issuecomment-1183548597) faced here.

r? `@oli-obk`
This commit is contained in:
bors 2022-07-29 07:11:50 +00:00
commit 7dfdd64433
7 changed files with 22 additions and 28 deletions
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2
compiler/rustc_mir_transform/src/remove_uninit_drops.rs
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@ -21,7 +21,7 @@ pub struct RemoveUninitDrops;
impl<'tcx> MirPass<'tcx> for RemoveUninitDrops {
fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
let param_env = tcx.param_env(body.source.def_id());
let Ok(move_data) = MoveData::gather_moves(body, tcx, param_env) else {
let Ok((_,move_data)) = MoveData::gather_moves(body, tcx, param_env) else {
// We could continue if there are move errors, but there's not much point since our
// init data isn't complete.
return;