diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 9b5a6b89191e1..6d55fdc307401 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -875,7 +875,7 @@ pub(crate) fn codegen_place<'tcx>( PlaceElem::Deref => { cplace = cplace.place_deref(fx); } - PlaceElem::OpaqueCast(ty) => cplace = cplace.place_opaque_cast(fx, ty), + PlaceElem::OpaqueCast(ty) => bug!("encountered OpaqueCast({ty}) in codegen"), PlaceElem::Field(field, _ty) => { cplace = cplace.place_field(fx, field); } diff --git a/compiler/rustc_codegen_cranelift/src/value_and_place.rs b/compiler/rustc_codegen_cranelift/src/value_and_place.rs index ff95141ce90fb..d4273c0b593ac 100644 --- a/compiler/rustc_codegen_cranelift/src/value_and_place.rs +++ b/compiler/rustc_codegen_cranelift/src/value_and_place.rs @@ -674,14 +674,6 @@ impl<'tcx> CPlace<'tcx> { } } - pub(crate) fn place_opaque_cast( - self, - fx: &mut FunctionCx<'_, '_, 'tcx>, - ty: Ty<'tcx>, - ) -> CPlace<'tcx> { - CPlace { inner: self.inner, layout: fx.layout_of(ty) } - } - pub(crate) fn place_field( self, fx: &mut FunctionCx<'_, '_, 'tcx>, diff --git a/compiler/rustc_codegen_ssa/src/mir/place.rs b/compiler/rustc_codegen_ssa/src/mir/place.rs index a9ecbdc5f35ed..f775711f87020 100644 --- a/compiler/rustc_codegen_ssa/src/mir/place.rs +++ b/compiler/rustc_codegen_ssa/src/mir/place.rs @@ -463,7 +463,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { mir::ProjectionElem::Field(ref field, _) => { cg_base.project_field(bx, field.index()) } - mir::ProjectionElem::OpaqueCast(ty) => cg_base.project_type(bx, ty), + mir::ProjectionElem::OpaqueCast(ty) => { + bug!("encountered OpaqueCast({ty}) in codegen") + } mir::ProjectionElem::Index(index) => { let index = &mir::Operand::Copy(mir::Place::from(index)); let index = self.codegen_operand(bx, index); diff --git a/compiler/rustc_const_eval/src/interpret/projection.rs b/compiler/rustc_const_eval/src/interpret/projection.rs index 6c720ac4a574d..f462c13816ee8 100644 --- a/compiler/rustc_const_eval/src/interpret/projection.rs +++ b/compiler/rustc_const_eval/src/interpret/projection.rs @@ -316,7 +316,9 @@ where { use rustc_middle::mir::ProjectionElem::*; Ok(match proj_elem { - OpaqueCast(ty) => base.transmute(self.layout_of(ty)?, self)?, + OpaqueCast(ty) => { + span_bug!(self.cur_span(), "OpaqueCast({ty}) encountered after borrowck") + } Field(field, _) => self.project_field(base, field.index())?, Downcast(_, variant) => self.project_downcast(base, variant)?, Deref => self.deref_pointer(&base.to_op(self)?)?.into(), diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index 0d8733070a446..18b22882e7d08 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -633,6 +633,14 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { location: Location, ) { match elem { + ProjectionElem::OpaqueCast(ty) + if self.mir_phase >= MirPhase::Runtime(RuntimePhase::Initial) => + { + self.fail( + location, + format!("explicit opaque type cast to `{ty}` after `RevealAll`"), + ) + } ProjectionElem::Index(index) => { let index_ty = self.body.local_decls[index].ty; if index_ty != self.tcx.types.usize { diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index 201926fee3e02..55f895f73b48b 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -139,6 +139,7 @@ pub enum RuntimePhase { /// * [`TerminatorKind::Yield`] /// * [`TerminatorKind::GeneratorDrop`] /// * [`Rvalue::Aggregate`] for any `AggregateKind` except `Array` + /// * [`PlaceElem::OpaqueCast`] /// /// And the following variants are allowed: /// * [`StatementKind::Retag`] diff --git a/compiler/rustc_mir_dataflow/src/elaborate_drops.rs b/compiler/rustc_mir_dataflow/src/elaborate_drops.rs index e24685cb90f73..c9991e499b32a 100644 --- a/compiler/rustc_mir_dataflow/src/elaborate_drops.rs +++ b/compiler/rustc_mir_dataflow/src/elaborate_drops.rs @@ -194,6 +194,7 @@ where D: DropElaborator<'b, 'tcx>, 'tcx: 'b, { + #[instrument(level = "trace", skip(self), ret)] fn place_ty(&self, place: Place<'tcx>) -> Ty<'tcx> { place.ty(self.elaborator.body(), self.tcx()).ty } @@ -220,11 +221,9 @@ where // // FIXME: I think we should just control the flags externally, // and then we do not need this machinery. + #[instrument(level = "debug")] pub fn elaborate_drop(&mut self, bb: BasicBlock) { - debug!("elaborate_drop({:?}, {:?})", bb, self); - let style = self.elaborator.drop_style(self.path, DropFlagMode::Deep); - debug!("elaborate_drop({:?}, {:?}): live - {:?}", bb, self, style); - match style { + match self.elaborator.drop_style(self.path, DropFlagMode::Deep) { DropStyle::Dead => { self.elaborator .patch() diff --git a/compiler/rustc_mir_transform/src/elaborate_drops.rs b/compiler/rustc_mir_transform/src/elaborate_drops.rs index 6a89d06727576..b62d7da2a4cca 100644 --- a/compiler/rustc_mir_transform/src/elaborate_drops.rs +++ b/compiler/rustc_mir_transform/src/elaborate_drops.rs @@ -170,6 +170,7 @@ impl<'a, 'tcx> DropElaborator<'a, 'tcx> for Elaborator<'a, '_, 'tcx> { self.ctxt.param_env() } + #[instrument(level = "debug", skip(self), ret)] fn drop_style(&self, path: Self::Path, mode: DropFlagMode) -> DropStyle { let ((maybe_live, maybe_dead), multipart) = match mode { DropFlagMode::Shallow => (self.ctxt.init_data.maybe_live_dead(path), false), diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 9e4bc456d51a2..754f2ee837682 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -480,6 +480,7 @@ fn run_runtime_lowering_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { let passes: &[&dyn MirPass<'tcx>] = &[ // These next passes must be executed together &add_call_guards::CriticalCallEdges, + &reveal_all::RevealAll, // has to be done before drop elaboration, since we need to drop opaque types, too. &elaborate_drops::ElaborateDrops, // This will remove extraneous landing pads which are no longer // necessary as well as well as forcing any call in a non-unwinding @@ -526,7 +527,6 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { body, &[ &check_alignment::CheckAlignment, - &reveal_all::RevealAll, // has to be done before inlining, since inlined code is in RevealAll mode. &lower_slice_len::LowerSliceLenCalls, // has to be done before inlining, otherwise actual call will be almost always inlined. Also simple, so can just do first &unreachable_prop::UnreachablePropagation, &uninhabited_enum_branching::UninhabitedEnumBranching, diff --git a/compiler/rustc_mir_transform/src/reveal_all.rs b/compiler/rustc_mir_transform/src/reveal_all.rs index 065793348e4c3..55f1eac6f8468 100644 --- a/compiler/rustc_mir_transform/src/reveal_all.rs +++ b/compiler/rustc_mir_transform/src/reveal_all.rs @@ -8,16 +8,7 @@ use rustc_middle::ty::{self, Ty, TyCtxt}; pub struct RevealAll; impl<'tcx> MirPass<'tcx> for RevealAll { - fn is_enabled(&self, sess: &rustc_session::Session) -> bool { - sess.mir_opt_level() >= 3 || super::inline::Inline.is_enabled(sess) - } - fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { - // Do not apply this transformation to generators. - if body.generator.is_some() { - return; - } - let param_env = tcx.param_env_reveal_all_normalized(body.source.def_id()); RevealAllVisitor { tcx, param_env }.visit_body_preserves_cfg(body); } @@ -34,6 +25,29 @@ impl<'tcx> MutVisitor<'tcx> for RevealAllVisitor<'tcx> { self.tcx } + #[inline] + fn visit_place( + &mut self, + place: &mut Place<'tcx>, + _context: PlaceContext, + _location: Location, + ) { + // Performance optimization: don't reintern if there is no `OpaqueCast` to remove. + if place.projection.iter().all(|elem| !matches!(elem, ProjectionElem::OpaqueCast(_))) { + return; + } + // `OpaqueCast` projections are only needed if there are opaque types on which projections are performed. + // After the `RevealAll` pass, all opaque types are replaced with their hidden types, so we don't need these + // projections anymore. + place.projection = self.tcx.mk_place_elems( + &place + .projection + .into_iter() + .filter(|elem| !matches!(elem, ProjectionElem::OpaqueCast(_))) + .collect::>(), + ); + } + #[inline] fn visit_constant(&mut self, constant: &mut ConstOperand<'tcx>, _: Location) { // We have to use `try_normalize_erasing_regions` here, since it's diff --git a/tests/incremental/hashes/function_interfaces.rs b/tests/incremental/hashes/function_interfaces.rs index 182ca7d926c6b..23b81705f9aa0 100644 --- a/tests/incremental/hashes/function_interfaces.rs +++ b/tests/incremental/hashes/function_interfaces.rs @@ -302,7 +302,7 @@ pub fn return_impl_trait() -> i32 { } #[cfg(not(any(cfail1,cfail4)))] -#[rustc_clean(cfg = "cfail2", except = "hir_owner, hir_owner_nodes, typeck, fn_sig, optimized_mir")] +#[rustc_clean(cfg = "cfail2", except = "hir_owner, hir_owner_nodes, typeck, fn_sig")] #[rustc_clean(cfg = "cfail3")] #[rustc_clean(cfg = "cfail5", except = "hir_owner, hir_owner_nodes, typeck, fn_sig, optimized_mir")] #[rustc_clean(cfg = "cfail6")] diff --git a/tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir b/tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir index 4d3baee7f117f..15330b13cc214 100644 --- a/tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir +++ b/tests/mir-opt/building/async_await.b-{closure#0}.generator_resume.0.mir @@ -2,13 +2,16 @@ /* generator_layout = GeneratorLayout { field_tys: { _0: GeneratorSavedTy { - ty: Alias( - Opaque, - AliasTy { - args: [ - ], - def_id: DefId(0:7 ~ async_await[ccf8]::a::{opaque#0}), - }, + ty: Generator( + DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), + [ + std::future::ResumeTy, + (), + (), + GeneratorWitness(DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), []), + (), + ], + Static, ), source_info: SourceInfo { span: $DIR/async_await.rs:15:9: 15:14 (#8), @@ -17,13 +20,16 @@ ignore_for_traits: false, }, _1: GeneratorSavedTy { - ty: Alias( - Opaque, - AliasTy { - args: [ - ], - def_id: DefId(0:7 ~ async_await[ccf8]::a::{opaque#0}), - }, + ty: Generator( + DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), + [ + std::future::ResumeTy, + (), + (), + GeneratorWitness(DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), []), + (), + ], + Static, ), source_info: SourceInfo { span: $DIR/async_await.rs:16:9: 16:14 (#10), @@ -49,15 +55,15 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, debug _task_context => _38; let mut _0: std::task::Poll<()>; let _3: (); - let mut _4: impl std::future::Future; - let mut _5: impl std::future::Future; - let mut _6: impl std::future::Future; + let mut _4: {async fn body@$DIR/async_await.rs:11:14: 11:16}; + let mut _5: {async fn body@$DIR/async_await.rs:11:14: 11:16}; + let mut _6: {async fn body@$DIR/async_await.rs:11:14: 11:16}; let mut _7: (); let _8: (); let mut _9: std::task::Poll<()>; - let mut _10: std::pin::Pin<&mut impl std::future::Future>; - let mut _11: &mut impl std::future::Future; - let mut _12: &mut impl std::future::Future; + let mut _10: std::pin::Pin<&mut {async fn body@$DIR/async_await.rs:11:14: 11:16}>; + let mut _11: &mut {async fn body@$DIR/async_await.rs:11:14: 11:16}; + let mut _12: &mut {async fn body@$DIR/async_await.rs:11:14: 11:16}; let mut _13: &mut std::task::Context<'_>; let mut _14: &mut std::task::Context<'_>; let mut _15: &mut std::task::Context<'_>; @@ -65,14 +71,14 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, let mut _18: !; let mut _19: &mut std::task::Context<'_>; let mut _20: (); - let mut _21: impl std::future::Future; - let mut _22: impl std::future::Future; - let mut _23: impl std::future::Future; + let mut _21: {async fn body@$DIR/async_await.rs:11:14: 11:16}; + let mut _22: {async fn body@$DIR/async_await.rs:11:14: 11:16}; + let mut _23: {async fn body@$DIR/async_await.rs:11:14: 11:16}; let _24: (); let mut _25: std::task::Poll<()>; - let mut _26: std::pin::Pin<&mut impl std::future::Future>; - let mut _27: &mut impl std::future::Future; - let mut _28: &mut impl std::future::Future; + let mut _26: std::pin::Pin<&mut {async fn body@$DIR/async_await.rs:11:14: 11:16}>; + let mut _27: &mut {async fn body@$DIR/async_await.rs:11:14: 11:16}; + let mut _28: &mut {async fn body@$DIR/async_await.rs:11:14: 11:16}; let mut _29: &mut std::task::Context<'_>; let mut _30: &mut std::task::Context<'_>; let mut _31: &mut std::task::Context<'_>; @@ -84,7 +90,7 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, let mut _38: &mut std::task::Context<'_>; let mut _39: u32; scope 1 { - debug __awaitee => (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#3).0: impl std::future::Future); + debug __awaitee => (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#3).0: {async fn body@$DIR/async_await.rs:11:14: 11:16}); let _17: (); scope 2 { } @@ -93,7 +99,7 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, } } scope 4 { - debug __awaitee => (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#4).0: impl std::future::Future); + debug __awaitee => (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#4).0: {async fn body@$DIR/async_await.rs:11:14: 11:16}); let _33: (); scope 5 { } @@ -116,13 +122,13 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, } bb2: { - _4 = as IntoFuture>::into_future(move _5) -> [return: bb3, unwind unreachable]; + _4 = <{async fn body@$DIR/async_await.rs:11:14: 11:16} as IntoFuture>::into_future(move _5) -> [return: bb3, unwind unreachable]; } bb3: { StorageDead(_5); nop; - (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#3).0: impl std::future::Future) = move _4; + (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#3).0: {async fn body@$DIR/async_await.rs:11:14: 11:16}) = move _4; goto -> bb4; } @@ -132,9 +138,9 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, StorageLive(_10); StorageLive(_11); StorageLive(_12); - _12 = &mut (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#3).0: impl std::future::Future); + _12 = &mut (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#3).0: {async fn body@$DIR/async_await.rs:11:14: 11:16}); _11 = &mut (*_12); - _10 = Pin::<&mut impl Future>::new_unchecked(move _11) -> [return: bb5, unwind unreachable]; + _10 = Pin::<&mut {async fn body@$DIR/async_await.rs:11:14: 11:16}>::new_unchecked(move _11) -> [return: bb5, unwind unreachable]; } bb5: { @@ -150,7 +156,7 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, bb6: { _13 = &mut (*_14); StorageDead(_15); - _9 = as Future>::poll(move _10, move _13) -> [return: bb7, unwind unreachable]; + _9 = <{async fn body@$DIR/async_await.rs:11:14: 11:16} as Future>::poll(move _10, move _13) -> [return: bb7, unwind unreachable]; } bb7: { @@ -187,7 +193,7 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, StorageDead(_12); StorageDead(_9); StorageDead(_8); - drop((((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#3).0: impl std::future::Future)) -> [return: bb12, unwind unreachable]; + drop((((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#3).0: {async fn body@$DIR/async_await.rs:11:14: 11:16})) -> [return: bb12, unwind unreachable]; } bb11: { @@ -212,13 +218,13 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, } bb14: { - _21 = as IntoFuture>::into_future(move _22) -> [return: bb15, unwind unreachable]; + _21 = <{async fn body@$DIR/async_await.rs:11:14: 11:16} as IntoFuture>::into_future(move _22) -> [return: bb15, unwind unreachable]; } bb15: { StorageDead(_22); nop; - (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#4).0: impl std::future::Future) = move _21; + (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#4).0: {async fn body@$DIR/async_await.rs:11:14: 11:16}) = move _21; goto -> bb16; } @@ -228,9 +234,9 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, StorageLive(_26); StorageLive(_27); StorageLive(_28); - _28 = &mut (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#4).0: impl std::future::Future); + _28 = &mut (((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#4).0: {async fn body@$DIR/async_await.rs:11:14: 11:16}); _27 = &mut (*_28); - _26 = Pin::<&mut impl Future>::new_unchecked(move _27) -> [return: bb17, unwind unreachable]; + _26 = Pin::<&mut {async fn body@$DIR/async_await.rs:11:14: 11:16}>::new_unchecked(move _27) -> [return: bb17, unwind unreachable]; } bb17: { @@ -246,7 +252,7 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, bb18: { _29 = &mut (*_30); StorageDead(_31); - _25 = as Future>::poll(move _26, move _29) -> [return: bb19, unwind unreachable]; + _25 = <{async fn body@$DIR/async_await.rs:11:14: 11:16} as Future>::poll(move _26, move _29) -> [return: bb19, unwind unreachable]; } bb19: { @@ -279,7 +285,7 @@ fn b::{closure#0}(_1: Pin<&mut {async fn body@$DIR/async_await.rs:14:18: 17:2}>, StorageDead(_28); StorageDead(_25); StorageDead(_24); - drop((((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#4).0: impl std::future::Future)) -> [return: bb23, unwind unreachable]; + drop((((*(_1.0: &mut {async fn body@$DIR/async_await.rs:14:18: 17:2})) as variant#4).0: {async fn body@$DIR/async_await.rs:11:14: 11:16})) -> [return: bb23, unwind unreachable]; } bb22: { diff --git a/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-abort.diff b/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-abort.diff index c94dd2556956c..b532b133a83a5 100644 --- a/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-abort.diff +++ b/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-abort.diff @@ -15,28 +15,44 @@ StorageLive(_2); StorageLive(_3); StorageLive(_4); - _4 = hide_foo() -> [return: bb1, unwind unreachable]; + _4 = hide_foo() -> [return: bb1, unwind: bb6]; } bb1: { _3 = &_4; StorageLive(_5); _5 = (); -- _2 = >::call(move _3, move _5) -> [return: bb2, unwind unreachable]; -+ _2 = >::call(move _3, move _5) -> [return: bb2, unwind unreachable]; +- _2 = >::call(move _3, move _5) -> [return: bb2, unwind: bb5]; ++ _2 = >::call(move _3, move _5) -> [return: bb2, unwind: bb5]; } bb2: { StorageDead(_5); StorageDead(_3); + drop(_4) -> [return: bb3, unwind: bb6]; + } + + bb3: { StorageDead(_4); StorageDead(_2); _0 = const (); - drop(_1) -> [return: bb3, unwind unreachable]; + drop(_1) -> [return: bb4, unwind: bb7]; } - bb3: { + bb4: { return; } + + bb5 (cleanup): { + drop(_4) -> [return: bb6, unwind terminate(cleanup)]; + } + + bb6 (cleanup): { + drop(_1) -> [return: bb7, unwind terminate(cleanup)]; + } + + bb7 (cleanup): { + resume; + } } diff --git a/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-unwind.diff b/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-unwind.diff index cbfb39115b370..bcebcf297c2b1 100644 --- a/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-unwind.diff +++ b/tests/mir-opt/inline/issue_78442.bar.RevealAll.panic-unwind.diff @@ -15,35 +15,43 @@ StorageLive(_2); StorageLive(_3); StorageLive(_4); - _4 = hide_foo() -> [return: bb1, unwind: bb4]; + _4 = hide_foo() -> [return: bb1, unwind: bb6]; } bb1: { _3 = &_4; StorageLive(_5); _5 = (); -- _2 = >::call(move _3, move _5) -> [return: bb2, unwind: bb4]; -+ _2 = >::call(move _3, move _5) -> [return: bb2, unwind: bb4]; +- _2 = >::call(move _3, move _5) -> [return: bb2, unwind: bb5]; ++ _2 = >::call(move _3, move _5) -> [return: bb2, unwind: bb5]; } bb2: { StorageDead(_5); StorageDead(_3); + drop(_4) -> [return: bb3, unwind: bb6]; + } + + bb3: { StorageDead(_4); StorageDead(_2); _0 = const (); - drop(_1) -> [return: bb3, unwind: bb5]; + drop(_1) -> [return: bb4, unwind continue]; } - bb3: { + bb4: { return; } - bb4 (cleanup): { - drop(_1) -> [return: bb5, unwind terminate(cleanup)]; + bb5 (cleanup): { + drop(_4) -> [return: bb6, unwind terminate(cleanup)]; } - bb5 (cleanup): { + bb6 (cleanup): { + drop(_1) -> [return: bb7, unwind terminate(cleanup)]; + } + + bb7 (cleanup): { resume; } } diff --git a/tests/ui/async-await/in-trait/indirect-recursion-issue-112047.stderr b/tests/ui/async-await/in-trait/indirect-recursion-issue-112047.stderr index e0c1acfedfc36..41e84466a144e 100644 --- a/tests/ui/async-await/in-trait/indirect-recursion-issue-112047.stderr +++ b/tests/ui/async-await/in-trait/indirect-recursion-issue-112047.stderr @@ -2,7 +2,7 @@ error[E0391]: cycle detected when computing layout of `{async fn body@$DIR/indir | = note: ...which requires computing layout of `<::Second as Second>::{opaque#0}`... = note: ...which again requires computing layout of `{async fn body@$DIR/indirect-recursion-issue-112047.rs:35:27: 37:6}`, completing the cycle - = note: cycle used when computing layout of `::second::{opaque#0}` + = note: cycle used when computing layout of `{async block@$DIR/indirect-recursion-issue-112047.rs:8:13: 10:6}` = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information error: aborting due to previous error diff --git a/tests/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs b/tests/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs index 9a50c0f988a56..31fea42fa5d8a 100644 --- a/tests/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs +++ b/tests/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs @@ -1,5 +1,5 @@ // compile-flags: --edition=2021 -// check-pass +// build-pass #![feature(type_alias_impl_trait)] fn main() { diff --git a/tests/ui/type-alias-impl-trait/destructure_tait-ice-113594.rs b/tests/ui/type-alias-impl-trait/destructure_tait-ice-113594.rs new file mode 100644 index 0000000000000..7c2d68cceb8fc --- /dev/null +++ b/tests/ui/type-alias-impl-trait/destructure_tait-ice-113594.rs @@ -0,0 +1,19 @@ +// build-pass +// edition: 2021 + +#![feature(type_alias_impl_trait)] + +pub struct Foo { + /// This type must have nontrivial drop glue + field: String, +} + +pub type Tait = impl Sized; + +pub async fn ice_cold(beverage: Tait) { + // Must destructure at least one field of `Foo` + let Foo { field } = beverage; + _ = field; +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/destructure_tait-layout_of-ice-113594.rs b/tests/ui/type-alias-impl-trait/destructure_tait-layout_of-ice-113594.rs new file mode 100644 index 0000000000000..8568b26bea2a3 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/destructure_tait-layout_of-ice-113594.rs @@ -0,0 +1,23 @@ +// build-pass +// edition: 2021 + +#![feature(type_alias_impl_trait)] + +fn foo(x: T) { + type Opaque = impl Sized; + let foo: Opaque = (x,); + let (a,): (T,) = foo; +} + +const fn bar(x: T) { + type Opaque = impl Copy; + let foo: Opaque = (x, 2u32); + let (a, b): (T, u32) = foo; +} + +fn main() { + foo::(1); + bar::(1); + const CONST: () = bar::(42u32); + CONST +} diff --git a/tests/ui/type-alias-impl-trait/indirect-recursion-issue-112047.stderr b/tests/ui/type-alias-impl-trait/indirect-recursion-issue-112047.stderr index 3312230bc81df..2063becdb0838 100644 --- a/tests/ui/type-alias-impl-trait/indirect-recursion-issue-112047.stderr +++ b/tests/ui/type-alias-impl-trait/indirect-recursion-issue-112047.stderr @@ -1,6 +1,5 @@ error[E0391]: cycle detected when computing layout of `{async block@$DIR/indirect-recursion-issue-112047.rs:23:9: 23:42}` | - = note: ...which requires computing layout of `core::mem::maybe_uninit::MaybeUninit`... = note: ...which requires computing layout of `core::mem::maybe_uninit::MaybeUninit<{async fn body@$DIR/indirect-recursion-issue-112047.rs:15:31: 17:2}>`... = note: ...which requires computing layout of `core::mem::manually_drop::ManuallyDrop<{async fn body@$DIR/indirect-recursion-issue-112047.rs:15:31: 17:2}>`... = note: ...which requires computing layout of `{async fn body@$DIR/indirect-recursion-issue-112047.rs:15:31: 17:2}`... @@ -8,7 +7,11 @@ error[E0391]: cycle detected when computing layout of `{async block@$DIR/indirec = note: ...which requires computing layout of `core::mem::maybe_uninit::MaybeUninit<{async block@$DIR/indirect-recursion-issue-112047.rs:23:9: 23:42}>`... = note: ...which requires computing layout of `core::mem::manually_drop::ManuallyDrop<{async block@$DIR/indirect-recursion-issue-112047.rs:23:9: 23:42}>`... = note: ...which again requires computing layout of `{async block@$DIR/indirect-recursion-issue-112047.rs:23:9: 23:42}`, completing the cycle - = note: cycle used when computing layout of `::Recur` +note: cycle used when elaborating drops for `::recur` + --> $DIR/indirect-recursion-issue-112047.rs:22:5 + | +LL | fn recur(self) -> Self::Recur { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information error: aborting due to previous error