diff options
13 files changed, 89 insertions, 61 deletions
diff --git a/src/librustc_mir/borrow_check/nll/mod.rs b/src/librustc_mir/borrow_check/nll/mod.rs index 693210da8d3..7cab0acb432 100644 --- a/src/librustc_mir/borrow_check/nll/mod.rs +++ b/src/librustc_mir/borrow_check/nll/mod.rs @@ -276,7 +276,7 @@ fn dump_annotation<'a, 'gcx, 'tcx>( infcx: &InferCtxt<'a, 'gcx, 'tcx>, mir: &Mir<'tcx>, mir_def_id: DefId, - regioncx: &RegionInferenceContext, + regioncx: &RegionInferenceContext<'tcx>, closure_region_requirements: &Option<ClosureRegionRequirements>, errors_buffer: &mut Vec<Diagnostic>, ) { @@ -299,7 +299,7 @@ fn dump_annotation<'a, 'gcx, 'tcx>( .diagnostic() .span_note_diag(mir.span, "External requirements"); - regioncx.annotate(&mut err); + regioncx.annotate(tcx, &mut err); err.note(&format!( "number of external vids: {}", @@ -319,7 +319,7 @@ fn dump_annotation<'a, 'gcx, 'tcx>( .sess .diagnostic() .span_note_diag(mir.span, "No external requirements"); - regioncx.annotate(&mut err); + regioncx.annotate(tcx, &mut err); err.buffer(errors_buffer); } diff --git a/src/librustc_mir/borrow_check/nll/region_infer/annotation.rs b/src/librustc_mir/borrow_check/nll/region_infer/annotation.rs deleted file mode 100644 index 7cde06be0c2..00000000000 --- a/src/librustc_mir/borrow_check/nll/region_infer/annotation.rs +++ /dev/null @@ -1,56 +0,0 @@ -// Copyright 2017 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -//! As part of the NLL unit tests, you can annotate a function with -//! `#[rustc_regions]`, and we will emit information about the region -//! inference context and -- in particular -- the external constraints -//! that this region imposes on others. The methods in this file -//! handle the part about dumping the inference context internal -//! state. - -use borrow_check::nll::region_infer::RegionInferenceContext; -use borrow_check::nll::universal_regions::DefiningTy; -use rustc_errors::DiagnosticBuilder; - -impl<'tcx> RegionInferenceContext<'tcx> { - /// Write out our state into the `.mir` files. - pub(crate) fn annotate(&self, err: &mut DiagnosticBuilder<'_>) { - match self.universal_regions.defining_ty { - DefiningTy::Closure(def_id, substs) => { - err.note(&format!( - "defining type: {:?} with closure substs {:#?}", - def_id, - &substs.substs[..] - )); - } - DefiningTy::Generator(def_id, substs, _) => { - err.note(&format!( - "defining type: {:?} with generator substs {:#?}", - def_id, - &substs.substs[..] - )); - } - DefiningTy::FnDef(def_id, substs) => { - err.note(&format!( - "defining type: {:?} with substs {:#?}", - def_id, - &substs[..] - )); - } - DefiningTy::Const(def_id, substs) => { - err.note(&format!( - "defining constant type: {:?} with substs {:#?}", - def_id, - &substs[..] - )); - } - } - } -} diff --git a/src/librustc_mir/borrow_check/nll/region_infer/mod.rs b/src/librustc_mir/borrow_check/nll/region_infer/mod.rs index bc26cb7a97a..46b3c708695 100644 --- a/src/librustc_mir/borrow_check/nll/region_infer/mod.rs +++ b/src/librustc_mir/borrow_check/nll/region_infer/mod.rs @@ -29,11 +29,10 @@ use rustc::util::common; use rustc_data_structures::graph::scc::Sccs; use rustc_data_structures::indexed_set::IdxSet; use rustc_data_structures::indexed_vec::IndexVec; -use rustc_errors::Diagnostic; +use rustc_errors::{DiagnosticBuilder, Diagnostic}; use std::rc::Rc; -mod annotation; mod dump_mir; mod error_reporting; mod graphviz; @@ -359,6 +358,11 @@ impl<'tcx> RegionInferenceContext<'tcx> { self.universal_regions.to_region_vid(r) } + /// Add annotations for `#[rustc_regions]`; see `UniversalRegions::annotate`. + crate fn annotate(&self, tcx: TyCtxt<'_, '_, 'tcx>, err: &mut DiagnosticBuilder<'_>) { + self.universal_regions.annotate(tcx, err) + } + /// Returns true if the region `r` contains the point `p`. /// /// Panics if called before `solve()` executes, diff --git a/src/librustc_mir/borrow_check/nll/universal_regions.rs b/src/librustc_mir/borrow_check/nll/universal_regions.rs index 51153128256..19ffd971fcb 100644 --- a/src/librustc_mir/borrow_check/nll/universal_regions.rs +++ b/src/librustc_mir/borrow_check/nll/universal_regions.rs @@ -31,6 +31,7 @@ use rustc::ty::subst::Substs; use rustc::ty::{self, ClosureSubsts, GeneratorSubsts, RegionVid, Ty, TyCtxt}; use rustc::util::nodemap::FxHashMap; use rustc_data_structures::indexed_vec::{Idx, IndexVec}; +use rustc_errors::DiagnosticBuilder; use std::iter; use syntax::ast; @@ -310,6 +311,63 @@ impl<'tcx> UniversalRegions<'tcx> { pub fn to_region_vid(&self, r: ty::Region<'tcx>) -> RegionVid { self.indices.to_region_vid(r) } + + /// As part of the NLL unit tests, you can annotate a function with + /// `#[rustc_regions]`, and we will emit information about the region + /// inference context and -- in particular -- the external constraints + /// that this region imposes on others. The methods in this file + /// handle the part about dumping the inference context internal + /// state. + crate fn annotate(&self, tcx: TyCtxt<'_, '_, 'tcx>, err: &mut DiagnosticBuilder<'_>) { + match self.defining_ty { + DefiningTy::Closure(def_id, substs) => { + err.note(&format!( + "defining type: {:?} with closure substs {:#?}", + def_id, + &substs.substs[..] + )); + + let closure_base_def_id = tcx.closure_base_def_id(def_id); + for_each_late_bound_region_defined_on(tcx, closure_base_def_id, |r| { + err.note(&format!( + "late-bound region {:?} is {:?}", + r, + self.to_region_vid(r), + )); + }); + } + DefiningTy::Generator(def_id, substs, _) => { + err.note(&format!( + "defining type: {:?} with generator substs {:#?}", + def_id, + &substs.substs[..] + )); + + let closure_base_def_id = tcx.closure_base_def_id(def_id); + for_each_late_bound_region_defined_on(tcx, closure_base_def_id, |r| { + err.note(&format!( + "late-bound region {:?} is {:?}", + r, + self.to_region_vid(r), + )); + }); + } + DefiningTy::FnDef(def_id, substs) => { + err.note(&format!( + "defining type: {:?} with substs {:#?}", + def_id, + &substs[..] + )); + } + DefiningTy::Const(def_id, substs) => { + err.note(&format!( + "defining constant type: {:?} with substs {:#?}", + def_id, + &substs[..] + )); + } + } + } } struct UniversalRegionsBuilder<'cx, 'gcx: 'tcx, 'tcx: 'cx> { diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr index 89291068643..6f1712c03b6 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr @@ -12,6 +12,9 @@ LL | | }, i16, for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) u32>, std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) &'_#3r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>)) ] + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_fail_no_postdom[317d]::supply[0]), BrNamed(crate0:DefIndex(1:17), 'a)) is '_#4r + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_fail_no_postdom[317d]::supply[0]), BrNamed(crate0:DefIndex(1:19), 'c)) is '_#5r + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_fail_no_postdom[317d]::supply[0]), BrNamed(crate0:DefIndex(1:18), 'b)) is '_#6r error: unsatisfied lifetime constraints --> $DIR/propagate-approximated-fail-no-postdom.rs:56:13 diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr index 1ff9374c212..6bf6832229f 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr @@ -14,6 +14,8 @@ LL | | }); i16, for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't3)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) u32>)) ] + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_ref[317d]::supply[0]), BrNamed(crate0:DefIndex(1:17), 'b)) is '_#3r + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_ref[317d]::supply[0]), BrNamed(crate0:DefIndex(1:16), 'a)) is '_#4r = note: number of external vids: 5 = note: where '_#1r: '_#2r diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr index f50864d946b..c0555cf1b3f 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr @@ -15,6 +15,8 @@ LL | | }); i16, for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't2)) u32>)) ] + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_shorter_to_static_no_bound[317d]::supply[0]), BrNamed(crate0:DefIndex(1:16), 'a)) is '_#2r + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_shorter_to_static_no_bound[317d]::supply[0]), BrNamed(crate0:DefIndex(1:17), 'b)) is '_#3r = note: number of external vids: 4 = note: where '_#1r: '_#0r diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr index 8a89320d10c..49f3f2ba1cc 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr @@ -14,6 +14,8 @@ LL | | }); i16, for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't0)) std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't3)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) u32>)) ] + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_shorter_to_static_wrong_bound[317d]::supply[0]), BrNamed(crate0:DefIndex(1:17), 'b)) is '_#3r + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_shorter_to_static_wrong_bound[317d]::supply[0]), BrNamed(crate0:DefIndex(1:16), 'a)) is '_#4r = note: number of external vids: 5 = note: where '_#1r: '_#0r diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr index 71dbc412fef..95d196bdda6 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr @@ -14,6 +14,8 @@ LL | | }); i16, for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) &'_#2r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>)) ] + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_val[317d]::test[0]), BrNamed(crate0:DefIndex(1:17), 'b)) is '_#3r + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_val[317d]::test[0]), BrNamed(crate0:DefIndex(1:16), 'a)) is '_#4r = note: number of external vids: 5 = note: where '_#1r: '_#2r diff --git a/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr b/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr index d189385213f..25529634453 100644 --- a/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr @@ -12,6 +12,7 @@ LL | | }, i16, for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) &'_#2r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>)) ] + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_despite_same_free_region[317d]::supply[0]), BrNamed(crate0:DefIndex(1:15), 'a)) is '_#3r = note: number of external vids: 4 = note: where '_#1r: '_#2r diff --git a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr index a63c6b16708..0154eefc134 100644 --- a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr @@ -13,6 +13,8 @@ LL | | }); i16, for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>)) ] + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_fail_to_approximate_longer_no_bounds[317d]::supply[0]), BrNamed(crate0:DefIndex(1:16), 'a)) is '_#2r + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_fail_to_approximate_longer_no_bounds[317d]::supply[0]), BrNamed(crate0:DefIndex(1:17), 'b)) is '_#3r error: unsatisfied lifetime constraints --> $DIR/propagate-fail-to-approximate-longer-no-bounds.rs:47:9 diff --git a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr index 67510a5a81f..269c826f578 100644 --- a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr @@ -13,6 +13,8 @@ LL | | }); i16, for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't3)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) u32>)) ] + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_fail_to_approximate_longer_wrong_bounds[317d]::supply[0]), BrNamed(crate0:DefIndex(1:17), 'b)) is '_#3r + = note: late-bound region ReFree(DefId(0/0:6 ~ propagate_fail_to_approximate_longer_wrong_bounds[317d]::supply[0]), BrNamed(crate0:DefIndex(1:16), 'a)) is '_#4r error: unsatisfied lifetime constraints --> $DIR/propagate-fail-to-approximate-longer-wrong-bounds.rs:51:9 diff --git a/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-static-closure.stderr b/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-static-closure.stderr index 136e143e80e..9605677740f 100644 --- a/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-static-closure.stderr +++ b/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-static-closure.stderr @@ -10,6 +10,8 @@ LL | with_signature(cell, t, |cell, t| require(cell, t)); i32, extern "rust-call" fn((std::cell::Cell<&'_#2r ()>, T)) ] + = note: late-bound region ReFree(DefId(0/0:8 ~ projection_one_region_trait_bound_static_closure[317d]::no_relationships_late[0]), BrNamed(crate0:DefIndex(1:16), 'a)) is '_#3r + = note: late-bound region ReFree(DefId(0/0:8 ~ projection_one_region_trait_bound_static_closure[317d]::no_relationships_late[0]), BrNamed(crate0:DefIndex(1:18), T)) is '_#4r note: No external requirements --> $DIR/projection-one-region-trait-bound-static-closure.rs:42:1 @@ -40,6 +42,7 @@ LL | with_signature(cell, t, |cell, t| require(cell, t)); i32, extern "rust-call" fn((std::cell::Cell<&'_#3r ()>, T)) ] + = note: late-bound region ReFree(DefId(0/0:9 ~ projection_one_region_trait_bound_static_closure[317d]::no_relationships_early[0]), BrNamed(crate0:DefIndex(1:22), T)) is '_#4r note: No external requirements --> $DIR/projection-one-region-trait-bound-static-closure.rs:50:1 @@ -72,6 +75,7 @@ LL | with_signature(cell, t, |cell, t| require(cell, t)); i32, extern "rust-call" fn((std::cell::Cell<&'_#3r ()>, T)) ] + = note: late-bound region ReFree(DefId(0/0:10 ~ projection_one_region_trait_bound_static_closure[317d]::projection_outlives[0]), BrNamed(crate0:DefIndex(1:26), T)) is '_#4r note: No external requirements --> $DIR/projection-one-region-trait-bound-static-closure.rs:59:1 @@ -104,6 +108,7 @@ LL | with_signature(cell, t, |cell, t| require(cell, t)); i32, extern "rust-call" fn((std::cell::Cell<&'_#3r ()>, T)) ] + = note: late-bound region ReFree(DefId(0/0:11 ~ projection_one_region_trait_bound_static_closure[317d]::elements_outlive[0]), BrNamed(crate0:DefIndex(1:30), T)) is '_#4r note: No external requirements --> $DIR/projection-one-region-trait-bound-static-closure.rs:78:1 @@ -135,6 +140,7 @@ LL | with_signature(cell, t, |cell, t| require(cell, t)); i32, extern "rust-call" fn((std::cell::Cell<&'_#2r ()>, T)) ] + = note: late-bound region ReFree(DefId(0/0:12 ~ projection_one_region_trait_bound_static_closure[317d]::one_region[0]), BrNamed(crate0:DefIndex(1:33), T)) is '_#3r note: No external requirements --> $DIR/projection-one-region-trait-bound-static-closure.rs:87:1 |