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make retagging work even with 'unstable' places

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This commit is contained in:
Ralf Jung 2022-12-05 15:17:11 +01:00
parent c5351ad4dc
commit 9397ea1368
15 changed files with 135 additions and 128 deletions
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10
compiler/rustc_mir_transform/src/shim.rs
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@ -177,16 +177,6 @@ fn build_drop_shim<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, ty: Option<Ty<'tcx>>)
if ty.is_some() {
// The first argument (index 0), but add 1 for the return value.
let dropee_ptr = Place::from(Local::new(1 + 0));
if tcx.sess.opts.unstable_opts.mir_emit_retag {
// Function arguments should be retagged, and we make this one raw.
body.basic_blocks_mut()[START_BLOCK].statements.insert(
0,
Statement {
source_info,
kind: StatementKind::Retag(RetagKind::Raw, Box::new(dropee_ptr)),
},
);
}
let patch = {
let param_env = tcx.param_env_reveal_all_normalized(def_id);
let mut elaborator =