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Add simple async drop glue generation

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Explainer: https://zetanumbers.github.io/book/async-drop-design.html

https://github.com/rust-lang/rust/pull/121801
This commit is contained in:
zetanumbers
2024-02-13 12:31:41 +03:00
committed by Daria Sukhonina
parent 1dea922ea6
commit 24a24ec6ba
40 changed files with 1921 additions and 20 deletions
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4
compiler/rustc_middle/src/middle/exported_symbols.rs
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@@ -43,6 +43,7 @@ pub enum ExportedSymbol<'tcx> {
NonGeneric(DefId),
Generic(DefId, GenericArgsRef<'tcx>),
DropGlue(Ty<'tcx>),
AsyncDropGlueCtorShim(Ty<'tcx>),
ThreadLocalShim(DefId),
NoDefId(ty::SymbolName<'tcx>),
}
@@ -59,6 +60,9 @@ impl<'tcx> ExportedSymbol<'tcx> {
ExportedSymbol::DropGlue(ty) => {
tcx.symbol_name(ty::Instance::resolve_drop_in_place(tcx, ty))
}
ExportedSymbol::AsyncDropGlueCtorShim(ty) => {
tcx.symbol_name(ty::Instance::resolve_async_drop_in_place(tcx, ty))
}
ExportedSymbol::ThreadLocalShim(def_id) => tcx.symbol_name(ty::Instance {
def: ty::InstanceDef::ThreadLocalShim(def_id),
args: ty::GenericArgs::empty(),