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This commit is contained in:
lcnr 2023-07-31 12:47:24 +02:00
parent 84043589a6
commit fc98c5a098
1 changed files with 3 additions and 7 deletions
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10
compiler/rustc_borrowck/src/type_check/liveness/trace.rs
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@ -164,13 +164,9 @@ impl<'me, 'typeck, 'flow, 'tcx> LivenessResults<'me, 'typeck, 'flow, 'tcx> {
/// Runs dropck for locals whose liveness isn't relevant. This is
/// necessary to eagerly detect unbound recursion during drop glue computation.
///
/// These locals should not result in any liveness constraints given that they
/// should otherwise not be considered boring and get dropped. This is currently
/// not the case due to mismatches between `Ty::needs_drop` and `compute_drop_data`.
/// See #110288 and RFC 3417 for more details.
///
/// FIXME: Assert that the returned liveness constraints are empty once these
/// inconsistencies are fixed.
/// These are all the locals which do not potentially reference a region local
/// to this body. Locals which only reference free regions are always drop-live
/// and can therefore safely be dropped.
fn dropck_boring_locals(&mut self, boring_locals: Vec<Local>) {
for local in boring_locals {
let local_ty = self.cx.body.local_decls[local].ty;