diff --git a/compiler/rustc_borrowck/src/type_check/input_output.rs b/compiler/rustc_borrowck/src/type_check/input_output.rs
index a3e5088ee09..ace9c5ae71d 100644
--- a/compiler/rustc_borrowck/src/type_check/input_output.rs
+++ b/compiler/rustc_borrowck/src/type_check/input_output.rs
@@ -85,6 +85,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
self.tcx(),
ty::CoroutineArgsParts {
parent_args: args.parent_args(),
+ kind_ty: Ty::from_closure_kind(self.tcx(), args.kind()),
resume_ty: next_ty_var(),
yield_ty: next_ty_var(),
witness: next_ty_var(),
diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs
index 4c8f68b25b5..b8d6836da14 100644
--- a/compiler/rustc_const_eval/src/interpret/terminator.rs
+++ b/compiler/rustc_const_eval/src/interpret/terminator.rs
@@ -546,6 +546,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
| ty::InstanceDef::ReifyShim(..)
| ty::InstanceDef::ClosureOnceShim { .. }
| ty::InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | ty::InstanceDef::CoroutineByMoveShim { .. }
| ty::InstanceDef::FnPtrShim(..)
| ty::InstanceDef::DropGlue(..)
| ty::InstanceDef::CloneShim(..)
diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs
index 1858b2770cd..730a475f630 100644
--- a/compiler/rustc_hir_typeck/src/callee.rs
+++ b/compiler/rustc_hir_typeck/src/callee.rs
@@ -183,6 +183,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
coroutine_closure_sig.to_coroutine(
self.tcx,
closure_args.parent_args(),
+ closure_args.kind_ty(),
self.tcx.coroutine_for_closure(def_id),
tupled_upvars_ty,
),
diff --git a/compiler/rustc_hir_typeck/src/closure.rs b/compiler/rustc_hir_typeck/src/closure.rs
index 1d024efdd49..014293c1f83 100644
--- a/compiler/rustc_hir_typeck/src/closure.rs
+++ b/compiler/rustc_hir_typeck/src/closure.rs
@@ -175,10 +175,20 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
interior,
));
+ let kind_ty = match kind {
+ hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Closure) => self
+ .next_ty_var(TypeVariableOrigin {
+ kind: TypeVariableOriginKind::ClosureSynthetic,
+ span: expr_span,
+ }),
+ _ => tcx.types.unit,
+ };
+
let coroutine_args = ty::CoroutineArgs::new(
tcx,
ty::CoroutineArgsParts {
parent_args,
+ kind_ty,
resume_ty,
yield_ty,
return_ty: liberated_sig.output(),
@@ -256,6 +266,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
sig.to_coroutine(
tcx,
parent_args,
+ closure_kind_ty,
tcx.coroutine_for_closure(expr_def_id),
coroutine_upvars_ty,
)
diff --git a/compiler/rustc_hir_typeck/src/upvar.rs b/compiler/rustc_hir_typeck/src/upvar.rs
index b087d6d9e57..d4e072976fa 100644
--- a/compiler/rustc_hir_typeck/src/upvar.rs
+++ b/compiler/rustc_hir_typeck/src/upvar.rs
@@ -393,6 +393,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
args.as_coroutine_closure().coroutine_captures_by_ref_ty(),
coroutine_captures_by_ref_ty,
);
+
+ let ty::Coroutine(_, args) = *self.typeck_results.borrow().expr_ty(body.value).kind()
+ else {
+ bug!();
+ };
+ self.demand_eqtype(
+ span,
+ args.as_coroutine().kind_ty(),
+ Ty::from_closure_kind(self.tcx, closure_kind),
+ );
}
self.log_closure_min_capture_info(closure_def_id, span);
diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs
index c9e69253701..d88e9261e5a 100644
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -262,6 +262,10 @@ pub struct CoroutineInfo<'tcx> {
/// Coroutine drop glue. This field is populated after the state transform pass.
pub coroutine_drop: Option
>,
+ /// The body of the coroutine, modified to take its upvars by move.
+ /// TODO:
+ pub by_move_body: Option>,
+
/// The layout of a coroutine. This field is populated after the state transform pass.
pub coroutine_layout: Option>,
@@ -281,6 +285,7 @@ impl<'tcx> CoroutineInfo<'tcx> {
coroutine_kind,
yield_ty: Some(yield_ty),
resume_ty: Some(resume_ty),
+ by_move_body: None,
coroutine_drop: None,
coroutine_layout: None,
}
diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs
index 4a29171d8bf..e6d1535fdf2 100644
--- a/compiler/rustc_middle/src/mir/mono.rs
+++ b/compiler/rustc_middle/src/mir/mono.rs
@@ -403,6 +403,7 @@ impl<'tcx> CodegenUnit<'tcx> {
| InstanceDef::Virtual(..)
| InstanceDef::ClosureOnceShim { .. }
| InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | InstanceDef::CoroutineByMoveShim { .. }
| InstanceDef::DropGlue(..)
| InstanceDef::CloneShim(..)
| InstanceDef::ThreadLocalShim(..)
diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs
index 6bc58adea0f..ce1859d6ada 100644
--- a/compiler/rustc_middle/src/mir/visit.rs
+++ b/compiler/rustc_middle/src/mir/visit.rs
@@ -346,6 +346,7 @@ macro_rules! make_mir_visitor {
ty::InstanceDef::ThreadLocalShim(_def_id) |
ty::InstanceDef::ClosureOnceShim { call_once: _def_id, track_caller: _ } |
ty::InstanceDef::ConstructCoroutineInClosureShim { coroutine_closure_def_id: _def_id, target_kind: _ } |
+ ty::InstanceDef::CoroutineByMoveShim { coroutine_def_id: _def_id } |
ty::InstanceDef::DropGlue(_def_id, None) => {}
ty::InstanceDef::FnPtrShim(_def_id, ty) |
diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs
index 41ae136851e..44bf3c32b48 100644
--- a/compiler/rustc_middle/src/ty/instance.rs
+++ b/compiler/rustc_middle/src/ty/instance.rs
@@ -101,6 +101,9 @@ pub enum InstanceDef<'tcx> {
target_kind: ty::ClosureKind,
},
+ /// TODO:
+ CoroutineByMoveShim { coroutine_def_id: DefId },
+
/// Compiler-generated accessor for thread locals which returns a reference to the thread local
/// the `DefId` defines. This is used to export thread locals from dylibs on platforms lacking
/// native support.
@@ -186,6 +189,7 @@ impl<'tcx> InstanceDef<'tcx> {
coroutine_closure_def_id: def_id,
target_kind: _,
}
+ | ty::InstanceDef::CoroutineByMoveShim { coroutine_def_id: def_id }
| InstanceDef::DropGlue(def_id, _)
| InstanceDef::CloneShim(def_id, _)
| InstanceDef::FnPtrAddrShim(def_id, _) => def_id,
@@ -206,6 +210,7 @@ impl<'tcx> InstanceDef<'tcx> {
| InstanceDef::Intrinsic(..)
| InstanceDef::ClosureOnceShim { .. }
| ty::InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | ty::InstanceDef::CoroutineByMoveShim { .. }
| InstanceDef::DropGlue(..)
| InstanceDef::CloneShim(..)
| InstanceDef::FnPtrAddrShim(..) => None,
@@ -302,6 +307,7 @@ impl<'tcx> InstanceDef<'tcx> {
| InstanceDef::DropGlue(_, Some(_)) => false,
InstanceDef::ClosureOnceShim { .. }
| InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | InstanceDef::CoroutineByMoveShim { .. }
| InstanceDef::DropGlue(..)
| InstanceDef::Item(_)
| InstanceDef::Intrinsic(..)
@@ -340,6 +346,7 @@ fn fmt_instance(
InstanceDef::FnPtrShim(_, ty) => write!(f, " - shim({ty})"),
InstanceDef::ClosureOnceShim { .. } => write!(f, " - shim"),
InstanceDef::ConstructCoroutineInClosureShim { .. } => write!(f, " - shim"),
+ InstanceDef::CoroutineByMoveShim { .. } => write!(f, " - shim"),
InstanceDef::DropGlue(_, None) => write!(f, " - shim(None)"),
InstanceDef::DropGlue(_, Some(ty)) => write!(f, " - shim(Some({ty}))"),
InstanceDef::CloneShim(_, ty) => write!(f, " - shim({ty})"),
@@ -631,7 +638,19 @@ impl<'tcx> Instance<'tcx> {
};
if tcx.lang_items().get(coroutine_callable_item) == Some(trait_item_id) {
- Some(Instance { def: ty::InstanceDef::Item(coroutine_def_id), args: args })
+ let ty::Coroutine(_, id_args) = *tcx.type_of(coroutine_def_id).skip_binder().kind()
+ else {
+ bug!()
+ };
+
+ if args.as_coroutine().kind_ty() == id_args.as_coroutine().kind_ty() {
+ Some(Instance { def: ty::InstanceDef::Item(coroutine_def_id), args })
+ } else {
+ Some(Instance {
+ def: ty::InstanceDef::CoroutineByMoveShim { coroutine_def_id },
+ args,
+ })
+ }
} else {
// All other methods should be defaulted methods of the built-in trait.
// This is important for `Iterator`'s combinators, but also useful for
diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs
index 05875a9798b..9ceb3ec3f61 100644
--- a/compiler/rustc_middle/src/ty/mod.rs
+++ b/compiler/rustc_middle/src/ty/mod.rs
@@ -1681,6 +1681,7 @@ impl<'tcx> TyCtxt<'tcx> {
| ty::InstanceDef::Virtual(..)
| ty::InstanceDef::ClosureOnceShim { .. }
| ty::InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | ty::InstanceDef::CoroutineByMoveShim { .. }
| ty::InstanceDef::DropGlue(..)
| ty::InstanceDef::CloneShim(..)
| ty::InstanceDef::ThreadLocalShim(..)
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs
index e2a2e24f06d..8918a3735d6 100644
--- a/compiler/rustc_middle/src/ty/sty.rs
+++ b/compiler/rustc_middle/src/ty/sty.rs
@@ -399,6 +399,7 @@ impl<'tcx> CoroutineClosureSignature<'tcx> {
self,
tcx: TyCtxt<'tcx>,
parent_args: &'tcx [GenericArg<'tcx>],
+ kind_ty: Ty<'tcx>,
coroutine_def_id: DefId,
tupled_upvars_ty: Ty<'tcx>,
) -> Ty<'tcx> {
@@ -406,6 +407,7 @@ impl<'tcx> CoroutineClosureSignature<'tcx> {
tcx,
ty::CoroutineArgsParts {
parent_args,
+ kind_ty,
resume_ty: self.resume_ty,
yield_ty: self.yield_ty,
return_ty: self.return_ty,
@@ -436,7 +438,13 @@ impl<'tcx> CoroutineClosureSignature<'tcx> {
env_region,
);
- self.to_coroutine(tcx, parent_args, coroutine_def_id, tupled_upvars_ty)
+ self.to_coroutine(
+ tcx,
+ parent_args,
+ Ty::from_closure_kind(tcx, closure_kind),
+ coroutine_def_id,
+ tupled_upvars_ty,
+ )
}
/// Given a closure kind, compute the tupled upvars that the given coroutine would return.
@@ -488,6 +496,8 @@ pub struct CoroutineArgs<'tcx> {
pub struct CoroutineArgsParts<'tcx> {
/// This is the args of the typeck root.
pub parent_args: &'tcx [GenericArg<'tcx>],
+ // TODO: why
+ pub kind_ty: Ty<'tcx>,
pub resume_ty: Ty<'tcx>,
pub yield_ty: Ty<'tcx>,
pub return_ty: Ty<'tcx>,
@@ -506,6 +516,7 @@ impl<'tcx> CoroutineArgs<'tcx> {
pub fn new(tcx: TyCtxt<'tcx>, parts: CoroutineArgsParts<'tcx>) -> CoroutineArgs<'tcx> {
CoroutineArgs {
args: tcx.mk_args_from_iter(parts.parent_args.iter().copied().chain([
+ parts.kind_ty.into(),
parts.resume_ty.into(),
parts.yield_ty.into(),
parts.return_ty.into(),
@@ -519,16 +530,23 @@ impl<'tcx> CoroutineArgs<'tcx> {
/// The ordering assumed here must match that used by `CoroutineArgs::new` above.
fn split(self) -> CoroutineArgsParts<'tcx> {
match self.args[..] {
- [ref parent_args @ .., resume_ty, yield_ty, return_ty, witness, tupled_upvars_ty] => {
- CoroutineArgsParts {
- parent_args,
- resume_ty: resume_ty.expect_ty(),
- yield_ty: yield_ty.expect_ty(),
- return_ty: return_ty.expect_ty(),
- witness: witness.expect_ty(),
- tupled_upvars_ty: tupled_upvars_ty.expect_ty(),
- }
- }
+ [
+ ref parent_args @ ..,
+ kind_ty,
+ resume_ty,
+ yield_ty,
+ return_ty,
+ witness,
+ tupled_upvars_ty,
+ ] => CoroutineArgsParts {
+ parent_args,
+ kind_ty: kind_ty.expect_ty(),
+ resume_ty: resume_ty.expect_ty(),
+ yield_ty: yield_ty.expect_ty(),
+ return_ty: return_ty.expect_ty(),
+ witness: witness.expect_ty(),
+ tupled_upvars_ty: tupled_upvars_ty.expect_ty(),
+ },
_ => bug!("coroutine args missing synthetics"),
}
}
@@ -538,6 +556,11 @@ impl<'tcx> CoroutineArgs<'tcx> {
self.split().parent_args
}
+ // TODO:
+ pub fn kind_ty(self) -> Ty<'tcx> {
+ self.split().kind_ty
+ }
+
/// This describes the types that can be contained in a coroutine.
/// It will be a type variable initially and unified in the last stages of typeck of a body.
/// It contains a tuple of all the types that could end up on a coroutine frame.
@@ -1628,7 +1651,7 @@ impl<'tcx> Ty<'tcx> {
) -> Ty<'tcx> {
debug_assert_eq!(
coroutine_args.len(),
- tcx.generics_of(tcx.typeck_root_def_id(def_id)).count() + 5,
+ tcx.generics_of(tcx.typeck_root_def_id(def_id)).count() + 6,
"coroutine constructed with incorrect number of substitutions"
);
Ty::new(tcx, Coroutine(def_id, coroutine_args))
diff --git a/compiler/rustc_mir_transform/src/coroutine.rs b/compiler/rustc_mir_transform/src/coroutine.rs
index bde879f6067..297b2fa143d 100644
--- a/compiler/rustc_mir_transform/src/coroutine.rs
+++ b/compiler/rustc_mir_transform/src/coroutine.rs
@@ -50,6 +50,9 @@
//! For coroutines with state 1 (returned) and state 2 (poisoned) it does nothing.
//! Otherwise it drops all the values in scope at the last suspension point.
+mod by_move_body;
+pub use by_move_body::ByMoveBody;
+
use crate::abort_unwinding_calls;
use crate::deref_separator::deref_finder;
use crate::errors;
diff --git a/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs b/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
new file mode 100644
index 00000000000..4e3e70bdafe
--- /dev/null
+++ b/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
@@ -0,0 +1,108 @@
+use rustc_data_structures::fx::FxIndexSet;
+use rustc_hir as hir;
+use rustc_middle::mir::visit::MutVisitor;
+use rustc_middle::mir::{self, MirPass};
+use rustc_middle::ty::{self, InstanceDef, Ty, TyCtxt};
+use rustc_target::abi::FieldIdx;
+
+pub struct ByMoveBody;
+
+impl<'tcx> MirPass<'tcx> for ByMoveBody {
+ fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut mir::Body<'tcx>) {
+ let Some(coroutine_def_id) = body.source.def_id().as_local() else {
+ return;
+ };
+ let Some(hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Closure)) =
+ tcx.coroutine_kind(coroutine_def_id)
+ else {
+ return;
+ };
+ let coroutine_ty = body.local_decls[ty::CAPTURE_STRUCT_LOCAL].ty;
+ let ty::Coroutine(_, args) = *coroutine_ty.kind() else { bug!() };
+ if args.as_coroutine().kind_ty().to_opt_closure_kind().unwrap() == ty::ClosureKind::FnOnce {
+ return;
+ }
+
+ let mut by_ref_fields = FxIndexSet::default();
+ let by_move_upvars = Ty::new_tup_from_iter(
+ tcx,
+ tcx.closure_captures(coroutine_def_id).iter().enumerate().map(|(idx, capture)| {
+ if capture.is_by_ref() {
+ by_ref_fields.insert(FieldIdx::from_usize(idx));
+ }
+ capture.place.ty()
+ }),
+ );
+ let by_move_coroutine_ty = Ty::new_coroutine(
+ tcx,
+ coroutine_def_id.to_def_id(),
+ ty::CoroutineArgs::new(
+ tcx,
+ ty::CoroutineArgsParts {
+ parent_args: args.as_coroutine().parent_args(),
+ kind_ty: Ty::from_closure_kind(tcx, ty::ClosureKind::FnOnce),
+ resume_ty: args.as_coroutine().resume_ty(),
+ yield_ty: args.as_coroutine().yield_ty(),
+ return_ty: args.as_coroutine().return_ty(),
+ witness: args.as_coroutine().witness(),
+ tupled_upvars_ty: by_move_upvars,
+ },
+ )
+ .args,
+ );
+
+ let mut by_move_body = body.clone();
+ MakeByMoveBody { tcx, by_ref_fields, by_move_coroutine_ty }.visit_body(&mut by_move_body);
+ by_move_body.source = mir::MirSource {
+ instance: InstanceDef::CoroutineByMoveShim {
+ coroutine_def_id: coroutine_def_id.to_def_id(),
+ },
+ promoted: None,
+ };
+
+ body.coroutine.as_mut().unwrap().by_move_body = Some(by_move_body);
+ }
+}
+
+struct MakeByMoveBody<'tcx> {
+ tcx: TyCtxt<'tcx>,
+ by_ref_fields: FxIndexSet,
+ by_move_coroutine_ty: Ty<'tcx>,
+}
+
+impl<'tcx> MutVisitor<'tcx> for MakeByMoveBody<'tcx> {
+ fn tcx(&self) -> TyCtxt<'tcx> {
+ self.tcx
+ }
+
+ fn visit_place(
+ &mut self,
+ place: &mut mir::Place<'tcx>,
+ context: mir::visit::PlaceContext,
+ location: mir::Location,
+ ) {
+ if place.local == ty::CAPTURE_STRUCT_LOCAL
+ && !place.projection.is_empty()
+ && let mir::ProjectionElem::Field(idx, ty) = place.projection[0]
+ && self.by_ref_fields.contains(&idx)
+ {
+ let (begin, end) = place.projection[1..].split_first().unwrap();
+ assert_eq!(*begin, mir::ProjectionElem::Deref);
+ *place = mir::Place {
+ local: place.local,
+ projection: self.tcx.mk_place_elems_from_iter(
+ [mir::ProjectionElem::Field(idx, ty.builtin_deref(true).unwrap().ty)]
+ .into_iter()
+ .chain(end.iter().copied()),
+ ),
+ };
+ }
+ self.super_place(place, context, location);
+ }
+
+ fn visit_local_decl(&mut self, local: mir::Local, local_decl: &mut mir::LocalDecl<'tcx>) {
+ if local == ty::CAPTURE_STRUCT_LOCAL {
+ local_decl.ty = self.by_move_coroutine_ty;
+ }
+ }
+}
diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs
index 7c731b070a7..24bc84a235c 100644
--- a/compiler/rustc_mir_transform/src/inline.rs
+++ b/compiler/rustc_mir_transform/src/inline.rs
@@ -318,6 +318,7 @@ impl<'tcx> Inliner<'tcx> {
| InstanceDef::FnPtrShim(..)
| InstanceDef::ClosureOnceShim { .. }
| InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | InstanceDef::CoroutineByMoveShim { .. }
| InstanceDef::DropGlue(..)
| InstanceDef::CloneShim(..)
| InstanceDef::ThreadLocalShim(..)
diff --git a/compiler/rustc_mir_transform/src/inline/cycle.rs b/compiler/rustc_mir_transform/src/inline/cycle.rs
index 3f3dc9145b6..77ff780393e 100644
--- a/compiler/rustc_mir_transform/src/inline/cycle.rs
+++ b/compiler/rustc_mir_transform/src/inline/cycle.rs
@@ -88,6 +88,7 @@ pub(crate) fn mir_callgraph_reachable<'tcx>(
| InstanceDef::FnPtrShim(..)
| InstanceDef::ClosureOnceShim { .. }
| InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | InstanceDef::CoroutineByMoveShim { .. }
| InstanceDef::ThreadLocalShim { .. }
| InstanceDef::CloneShim(..) => {}
diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index 69f93fa3a0e..031515ea958 100644
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -307,6 +307,10 @@ fn mir_const(tcx: TyCtxt<'_>, def: LocalDefId) -> &Steal> {
&Lint(check_packed_ref::CheckPackedRef),
&Lint(check_const_item_mutation::CheckConstItemMutation),
&Lint(function_item_references::FunctionItemReferences),
+ // If this is an async closure's output coroutine, generate
+ // by-move and by-mut bodies if needed. We do this first so
+ // they can be optimized in lockstep with their parent bodies.
+ &coroutine::ByMoveBody,
// What we need to do constant evaluation.
&simplify::SimplifyCfg::Initial,
&rustc_peek::SanityCheck, // Just a lint
diff --git a/compiler/rustc_mir_transform/src/pass_manager.rs b/compiler/rustc_mir_transform/src/pass_manager.rs
index c1ef2b9f887..c7e770904fb 100644
--- a/compiler/rustc_mir_transform/src/pass_manager.rs
+++ b/compiler/rustc_mir_transform/src/pass_manager.rs
@@ -189,6 +189,12 @@ fn run_passes_inner<'tcx>(
body.pass_count = 1;
}
+
+ if let Some(coroutine) = body.coroutine.as_mut()
+ && let Some(by_move_body) = coroutine.by_move_body.as_mut()
+ {
+ run_passes_inner(tcx, by_move_body, passes, phase_change, validate_each);
+ }
}
pub fn validate_body<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>, when: String) {
diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs
index 29b83f58ef5..668ccdd8735 100644
--- a/compiler/rustc_mir_transform/src/shim.rs
+++ b/compiler/rustc_mir_transform/src/shim.rs
@@ -81,6 +81,18 @@ fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceDef<'tcx>) -> Body<'
}
},
+ ty::InstanceDef::CoroutineByMoveShim { coroutine_def_id } => {
+ return tcx
+ .optimized_mir(coroutine_def_id)
+ .coroutine
+ .as_ref()
+ .unwrap()
+ .by_move_body
+ .as_ref()
+ .unwrap()
+ .clone();
+ }
+
ty::InstanceDef::DropGlue(def_id, ty) => {
// FIXME(#91576): Drop shims for coroutines aren't subject to the MIR passes at the end
// of this function. Is this intentional?
diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs
index 698fd634114..cf3c8e1fdd3 100644
--- a/compiler/rustc_monomorphize/src/collector.rs
+++ b/compiler/rustc_monomorphize/src/collector.rs
@@ -983,7 +983,8 @@ fn visit_instance_use<'tcx>(
| ty::InstanceDef::VTableShim(..)
| ty::InstanceDef::ReifyShim(..)
| ty::InstanceDef::ClosureOnceShim { .. }
- | InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | ty::InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | ty::InstanceDef::CoroutineByMoveShim { .. }
| ty::InstanceDef::Item(..)
| ty::InstanceDef::FnPtrShim(..)
| ty::InstanceDef::CloneShim(..)
diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs
index 46bd33c89e7..22b35c4344b 100644
--- a/compiler/rustc_monomorphize/src/partitioning.rs
+++ b/compiler/rustc_monomorphize/src/partitioning.rs
@@ -620,7 +620,8 @@ fn characteristic_def_id_of_mono_item<'tcx>(
| ty::InstanceDef::ReifyShim(..)
| ty::InstanceDef::FnPtrShim(..)
| ty::InstanceDef::ClosureOnceShim { .. }
- | InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | ty::InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | ty::InstanceDef::CoroutineByMoveShim { .. }
| ty::InstanceDef::Intrinsic(..)
| ty::InstanceDef::DropGlue(..)
| ty::InstanceDef::Virtual(..)
@@ -785,6 +786,7 @@ fn mono_item_visibility<'tcx>(
| InstanceDef::Intrinsic(..)
| InstanceDef::ClosureOnceShim { .. }
| InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | InstanceDef::CoroutineByMoveShim { .. }
| InstanceDef::DropGlue(..)
| InstanceDef::CloneShim(..)
| InstanceDef::FnPtrAddrShim(..) => return Visibility::Hidden,
diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs
index e0e9815cf40..3c1858e920b 100644
--- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs
+++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs
@@ -800,6 +800,7 @@ impl<'tcx> Stable<'tcx> for ty::Instance<'tcx> {
| ty::InstanceDef::FnPtrAddrShim(..)
| ty::InstanceDef::ClosureOnceShim { .. }
| ty::InstanceDef::ConstructCoroutineInClosureShim { .. }
+ | ty::InstanceDef::CoroutineByMoveShim { .. }
| ty::InstanceDef::ThreadLocalShim(..)
| ty::InstanceDef::DropGlue(..)
| ty::InstanceDef::CloneShim(..)
diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs
index c35134c78eb..0699026117d 100644
--- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs
+++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs
@@ -366,6 +366,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable<'tc
let coroutine_ty = sig.to_coroutine(
tcx,
args.parent_args(),
+ Ty::from_closure_kind(tcx, goal_kind),
tcx.coroutine_for_closure(def_id),
tupled_upvars_ty,
);
diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs
index 648f14beaa7..db1e89ae72f 100644
--- a/compiler/rustc_trait_selection/src/traits/project.rs
+++ b/compiler/rustc_trait_selection/src/traits/project.rs
@@ -2505,6 +2505,7 @@ fn confirm_async_closure_candidate<'cx, 'tcx>(
let coroutine_ty = sig.to_coroutine(
tcx,
args.parent_args(),
+ Ty::from_closure_kind(tcx, goal_kind),
tcx.coroutine_for_closure(def_id),
tupled_upvars_ty,
);
@@ -2533,6 +2534,7 @@ fn confirm_async_closure_candidate<'cx, 'tcx>(
let coroutine_ty = sig.to_coroutine(
tcx,
args.parent_args(),
+ Ty::from_closure_kind(tcx, goal_kind),
tcx.coroutine_for_closure(def_id),
tupled_upvars_ty,
);
diff --git a/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir b/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir
index 3c0d4008c90..9c8cf8763fd 100644
--- a/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir
+++ b/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir
@@ -5,6 +5,7 @@
ty: Coroutine(
DefId(0:4 ~ async_await[ccf8]::a::{closure#0}),
[
+ (),
std::future::ResumeTy,
(),
(),
@@ -22,6 +23,7 @@
ty: Coroutine(
DefId(0:4 ~ async_await[ccf8]::a::{closure#0}),
[
+ (),
std::future::ResumeTy,
(),
(),