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Don't require owned data in MaybeStorageDead

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This commit is contained in:
Tomasz Miąsko 2023-12-16 00:00:00 +00:00
parent 1d36e3ae03
commit b4877753c3
2 changed files with 8 additions and 7 deletions
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3
compiler/rustc_mir_transform/src/ref_prop.rs
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@ -7,6 +7,7 @@ use rustc_middle::ty::TyCtxt;
use rustc_mir_dataflow::impls::MaybeStorageDead;
use rustc_mir_dataflow::storage::always_storage_live_locals;
use rustc_mir_dataflow::Analysis;
use std::borrow::Cow;
use crate::ssa::{SsaLocals, StorageLiveLocals};
@ -120,7 +121,7 @@ fn compute_replacement<'tcx>(
// Compute `MaybeStorageDead` dataflow to check that we only replace when the pointee is
// definitely live.
let mut maybe_dead = MaybeStorageDead::new(always_live_locals)
let mut maybe_dead = MaybeStorageDead::new(Cow::Owned(always_live_locals))
.into_engine(tcx, body)
.iterate_to_fixpoint()
.into_results_cursor(body);