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add_retag: ensure box-to-raw-ptr casts are preserved for Miri

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This commit is contained in:
Ralf Jung 2024-03-17 17:02:38 +01:00
parent a42873e85b
commit c96fa5e143
10 changed files with 91 additions and 33 deletions
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4
compiler/rustc_mir_transform/src/lib.rs
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@ -529,11 +529,11 @@ fn run_runtime_lowering_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
// AddMovesForPackedDrops needs to run after drop
// elaboration.
&add_moves_for_packed_drops::AddMovesForPackedDrops,
// `AddRetag` needs to run after `ElaborateDrops`. Otherwise it should run fairly late,
// `AddRetag` needs to run after `ElaborateDrops` but before `ElaborateBoxDerefs`. Otherwise it should run fairly late,
// but before optimizations begin.
&add_retag::AddRetag,
&elaborate_box_derefs::ElaborateBoxDerefs,
&coroutine::StateTransform,
&add_retag::AddRetag,
&Lint(known_panics_lint::KnownPanicsLint),
];
pm::run_passes_no_validate(tcx, body, passes, Some(MirPhase::Runtime(RuntimePhase::Initial)));