diff options
Diffstat (limited to 'compiler/rustc_hir_typeck/src/generator_interior/mod.rs')
| -rw-r--r-- | compiler/rustc_hir_typeck/src/generator_interior/mod.rs | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/compiler/rustc_hir_typeck/src/generator_interior/mod.rs b/compiler/rustc_hir_typeck/src/generator_interior/mod.rs index 2e41c2041..f39710804 100644 --- a/compiler/rustc_hir_typeck/src/generator_interior/mod.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/mod.rs @@ -13,7 +13,7 @@ use rustc_hir::def_id::DefId; use rustc_hir::hir_id::HirIdSet; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::{Arm, Expr, ExprKind, Guard, HirId, Pat, PatKind}; -use rustc_infer::infer::RegionVariableOrigin; +use rustc_infer::infer::{DefineOpaqueTypes, RegionVariableOrigin}; use rustc_middle::middle::region::{self, Scope, ScopeData, YieldData}; use rustc_middle::ty::fold::FnMutDelegate; use rustc_middle::ty::{self, BoundVariableKind, RvalueScopes, Ty, TyCtxt, TypeVisitableExt}; @@ -239,8 +239,7 @@ pub fn resolve_interior<'a, 'tcx>( // typeck had previously found constraints that would cause them to be related. let mut counter = 0; - let mut mk_bound_region = |span| { - let kind = ty::BrAnon(counter, span); + let mut mk_bound_region = |kind| { let var = ty::BoundVar::from_u32(counter); counter += 1; ty::BoundRegion { var, kind } @@ -252,24 +251,23 @@ pub fn resolve_interior<'a, 'tcx>( let origin = fcx.region_var_origin(vid); match origin { RegionVariableOrigin::EarlyBoundRegion(span, _) => { - mk_bound_region(Some(span)) + mk_bound_region(ty::BrAnon(Some(span))) } - _ => mk_bound_region(None), + _ => mk_bound_region(ty::BrAnon(None)), } } - // FIXME: these should use `BrNamed` ty::ReEarlyBound(region) => { - mk_bound_region(Some(fcx.tcx.def_span(region.def_id))) + mk_bound_region(ty::BrNamed(region.def_id, region.name)) } ty::ReLateBound(_, ty::BoundRegion { kind, .. }) | ty::ReFree(ty::FreeRegion { bound_region: kind, .. }) => match kind { - ty::BoundRegionKind::BrAnon(_, span) => mk_bound_region(span), - ty::BoundRegionKind::BrNamed(def_id, _) => { - mk_bound_region(Some(fcx.tcx.def_span(def_id))) + ty::BoundRegionKind::BrAnon(span) => mk_bound_region(ty::BrAnon(span)), + ty::BoundRegionKind::BrNamed(def_id, sym) => { + mk_bound_region(ty::BrNamed(def_id, sym)) } - ty::BoundRegionKind::BrEnv => mk_bound_region(None), + ty::BoundRegionKind::BrEnv => mk_bound_region(ty::BrAnon(None)), }, - _ => mk_bound_region(None), + _ => mk_bound_region(ty::BrAnon(None)), }; let r = fcx.tcx.mk_re_late_bound(current_depth, br); r @@ -293,10 +291,7 @@ pub fn resolve_interior<'a, 'tcx>( type_causes, FnMutDelegate { regions: &mut |br| { - let kind = match br.kind { - ty::BrAnon(_, span) => ty::BrAnon(counter, span), - _ => br.kind, - }; + let kind = br.kind; let var = ty::BoundVar::from_usize(bound_vars.len()); bound_vars.push(ty::BoundVariableKind::Region(kind)); counter += 1; @@ -313,8 +308,7 @@ pub fn resolve_interior<'a, 'tcx>( // Extract type components to build the witness type. let type_list = fcx.tcx.mk_type_list_from_iter(type_causes.iter().map(|cause| cause.ty)); let bound_vars = fcx.tcx.mk_bound_variable_kinds(&bound_vars); - let witness = - fcx.tcx.mk_generator_witness(ty::Binder::bind_with_vars(type_list, bound_vars.clone())); + let witness = fcx.tcx.mk_generator_witness(ty::Binder::bind_with_vars(type_list, bound_vars)); drop(typeck_results); // Store the generator types and spans into the typeck results for this generator. @@ -327,7 +321,11 @@ pub fn resolve_interior<'a, 'tcx>( ); // Unify the type variable inside the generator with the new witness - match fcx.at(&fcx.misc(body.value.span), fcx.param_env).eq(interior, witness) { + match fcx.at(&fcx.misc(body.value.span), fcx.param_env).eq( + DefineOpaqueTypes::No, + interior, + witness, + ) { Ok(ok) => fcx.register_infer_ok_obligations(ok), _ => bug!("failed to relate {interior} and {witness}"), } |