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Merge commit '3b7c7f97e4' into sync-from-ra

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Laurențiu Nicola 2023-11-08 08:15:03 +02:00
parent 6eaf3f8bb2
commit d1d111d09e
177 changed files with 14930 additions and 2099 deletions
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10
crates/hir-ty/src/mir/eval.rs
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@ -162,7 +162,7 @@ pub struct Evaluator<'a> {
not_special_fn_cache: RefCell<FxHashSet<FunctionId>>,
mir_or_dyn_index_cache: RefCell<FxHashMap<(FunctionId, Substitution), MirOrDynIndex>>,
/// Constantly dropping and creating `Locals` is very costly. We store
/// old locals that we normaly want to drop here, to reuse their allocations
/// old locals that we normally want to drop here, to reuse their allocations
/// later.
unused_locals_store: RefCell<FxHashMap<DefWithBodyId, Vec<Locals>>>,
cached_ptr_size: usize,
@ -375,10 +375,7 @@ impl MirEvalError {
Err(_) => continue,
},
MirSpan::PatId(p) => match source_map.pat_syntax(*p) {
Ok(s) => s.map(|it| match it {
Either::Left(e) => e.into(),
Either::Right(e) => e.into(),
}),
Ok(s) => s.map(|it| it.syntax_node_ptr()),
Err(_) => continue,
},
MirSpan::Unknown => continue,
@ -842,6 +839,7 @@ impl Evaluator<'_> {
}
StatementKind::Deinit(_) => not_supported!("de-init statement"),
StatementKind::StorageLive(_)
| StatementKind::FakeRead(_)
| StatementKind::StorageDead(_)
| StatementKind::Nop => (),
}
@ -2301,7 +2299,7 @@ impl Evaluator<'_> {
match self.get_mir_or_dyn_index(def, generic_args.clone(), locals, span)? {
MirOrDynIndex::Dyn(self_ty_idx) => {
// In the layout of current possible receiver, which at the moment of writing this code is one of
// `&T`, `&mut T`, `Box<T>`, `Rc<T>`, `Arc<T>`, and `Pin<P>` where `P` is one of possible recievers,
// `&T`, `&mut T`, `Box<T>`, `Rc<T>`, `Arc<T>`, and `Pin<P>` where `P` is one of possible receivers,
// the vtable is exactly in the `[ptr_size..2*ptr_size]` bytes. So we can use it without branching on
// the type.
let first_arg = arg_bytes.clone().next().unwrap();