bjoernager/rust
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Auto merge of #116163 - compiler-errors:lazyness, r=oli-obk

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Don't store lazyness in `DefKind::TyAlias`

1. Don't store lazyness of a type alias in its `DefKind`, but instead via a query.
2. This allows us to treat type aliases as lazy if `#[feature(lazy_type_alias)]` *OR* if the alias contains a TAIT, rather than having checks for both in separate parts of the codebase.

r? `@oli-obk` cc `@fmease`
This commit is contained in:
bors 2023-09-27 01:48:53 +00:00
commit 6b99cf1d35
51 changed files with 128 additions and 189 deletions
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2
compiler/rustc_passes/src/abi_test.rs
View file

@ -21,7 +21,7 @@ pub fn test_abi(tcx: TyCtxt<'_>) {
DefKind::Fn | DefKind::AssocFn => {
dump_abi_of_fn_item(tcx, id, attr);
}
DefKind::TyAlias { .. } => {
DefKind::TyAlias => {
dump_abi_of_fn_type(tcx, id, attr);
}
_ => {

4
compiler/rustc_passes/src/dead.rs
View file

@ -96,7 +96,7 @@ impl<'tcx> MarkSymbolVisitor<'tcx> {
fn handle_res(&mut self, res: Res) {
match res {
Res::Def(DefKind::Const | DefKind::AssocConst | DefKind::TyAlias { .. }, def_id) => {
Res::Def(DefKind::Const | DefKind::AssocConst | DefKind::TyAlias, def_id) => {
self.check_def_id(def_id);
}
_ if self.in_pat => {}
@ -923,7 +923,7 @@ impl<'tcx> DeadVisitor<'tcx> {
| DefKind::Fn
| DefKind::Static(_)
| DefKind::Const
| DefKind::TyAlias { .. }
| DefKind::TyAlias
| DefKind::Enum
| DefKind::Union
| DefKind::ForeignTy => self.warn_dead_code(def_id, "used"),

2
compiler/rustc_passes/src/layout_test.rs
View file

@ -23,7 +23,7 @@ pub fn test_layout(tcx: TyCtxt<'_>) {
for id in tcx.hir_crate_items(()).definitions() {
for attr in tcx.get_attrs(id, sym::rustc_layout) {
match tcx.def_kind(id) {
DefKind::TyAlias { .. } | DefKind::Enum | DefKind::Struct | DefKind::Union => {
DefKind::TyAlias | DefKind::Enum | DefKind::Struct | DefKind::Union => {
dump_layout_of(tcx, id, attr);
}
_ => {