bjoernager/rust
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Add find_map_relevant_impl

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This commit is contained in:
Dániel Buga 2020-10-09 15:28:32 +02:00
parent 2359ecc71f
commit 7993ddd89d
7 changed files with 51 additions and 27 deletions
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3
compiler/rustc_mir/src/transform/check_const_item_mutation.rs
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@ -34,7 +34,6 @@ impl<'a, 'tcx> ConstMutationChecker<'a, 'tcx> {
fn is_const_item_without_destructor(&self, local: Local) -> Option<DefId> {
let def_id = self.is_const_item(local)?;
let mut any_dtor = |_tcx, _def_id| Ok(());
// We avoid linting mutation of a const item if the const's type has a
// Drop impl. The Drop logic observes the mutation which was performed.
@ -54,7 +53,7 @@ impl<'a, 'tcx> ConstMutationChecker<'a, 'tcx> {
//
// #[const_mutation_allowed]
// pub const LOG: Log = Log { msg: "" };
match self.tcx.calculate_dtor(def_id, &mut any_dtor) {
match self.tcx.calculate_dtor(def_id, |_, _| Ok(())) {
Some(_) => None,
None => Some(def_id),
}