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rustc_mir: use nicer path printing for #[rustc_regions] NLL tests. #66911

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merged 1 commit into from
Dec 6, 2019
Merged

rustc_mir: use nicer path printing for #[rustc_regions] NLL tests. #66911

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22 changes: 10 additions & 12 deletions src/librustc_mir/borrow_check/nll/universal_regions.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -312,9 +312,9 @@ impl<'tcx> UniversalRegions<'tcx> {
match self.defining_ty {
DefiningTy::Closure(def_id, substs) => {
err.note(&format!(
"defining type: {:?} with closure substs {:#?}",
def_id,
&substs[..]
"defining type: {} with closure substs {:#?}",
tcx.def_path_str_with_substs(def_id, substs),
&substs[tcx.generics_of(def_id).parent_count..],
));

// FIXME: It'd be nice to print the late-bound regions
Expand All @@ -332,9 +332,9 @@ impl<'tcx> UniversalRegions<'tcx> {
}
DefiningTy::Generator(def_id, substs, _) => {
err.note(&format!(
"defining type: {:?} with generator substs {:#?}",
def_id,
&substs[..]
"defining type: {} with generator substs {:#?}",
tcx.def_path_str_with_substs(def_id, substs),
&substs[tcx.generics_of(def_id).parent_count..],
));

// FIXME: As above, we'd like to print out the region
Expand All @@ -350,16 +350,14 @@ impl<'tcx> UniversalRegions<'tcx> {
}
DefiningTy::FnDef(def_id, substs) => {
err.note(&format!(
"defining type: {:?} with substs {:#?}",
def_id,
&substs[..]
"defining type: {}",
tcx.def_path_str_with_substs(def_id, substs),
));
}
DefiningTy::Const(def_id, substs) => {
err.note(&format!(
"defining constant type: {:?} with substs {:#?}",
def_id,
&substs[..]
"defining constant type: {}",
tcx.def_path_str_with_substs(def_id, substs),
));
}
}
Expand Down
4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/escape-argument-callee.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ note: No external requirements
LL | let mut closure = expect_sig(|p, y| *p = y);
| ^^^^^^^^^^^^^
|
= note: defining type: DefId(0:4 ~ escape_argument_callee[317d]::test[0]::{{closure}}[0]) with closure substs [
= note: defining type: test::{{closure}}#0 with closure substs [
i16,
for<'r, 's, 't0> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) mut &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) i32, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't0)) i32)),
]
Expand All @@ -30,7 +30,7 @@ LL | | deref(p);
LL | | }
| |_^
|
= note: defining type: DefId(0:3 ~ escape_argument_callee[317d]::test[0]) with substs []
= note: defining type: test

error: aborting due to previous error

4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/escape-argument.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ note: No external requirements
LL | let mut closure = expect_sig(|p, y| *p = y);
| ^^^^^^^^^^^^^
|
= note: defining type: DefId(0:4 ~ escape_argument[317d]::test[0]::{{closure}}[0]) with closure substs [
= note: defining type: test::{{closure}}#0 with closure substs [
i16,
for<'r, 's> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) mut &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) i32, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) i32)),
]
Expand All @@ -21,7 +21,7 @@ LL | | deref(p);
LL | | }
| |_^
|
= note: defining type: DefId(0:3 ~ escape_argument[317d]::test[0]) with substs []
= note: defining type: test

error[E0597]: `y` does not live long enough
--> $DIR/escape-argument.rs:27:25
Expand Down
6 changes: 3 additions & 3 deletions src/test/ui/nll/closure-requirements/escape-upvar-nested.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ note: External requirements
LL | let mut closure1 = || p = &y;
| ^^^^^^^^^
|
= note: defining type: DefId(0:5 ~ escape_upvar_nested[317d]::test[0]::{{closure}}[0]::{{closure}}[0]) with closure substs [
= note: defining type: test::{{closure}}#0::{{closure}}#0 with closure substs [
i16,
extern "rust-call" fn(()),
&'_#1r i32,
Expand All @@ -23,7 +23,7 @@ LL | | closure1();
LL | | };
| |_________^
|
= note: defining type: DefId(0:4 ~ escape_upvar_nested[317d]::test[0]::{{closure}}[0]) with closure substs [
= note: defining type: test::{{closure}}#0 with closure substs [
i16,
extern "rust-call" fn(()),
&'_#1r i32,
Expand All @@ -44,7 +44,7 @@ LL | | deref(p);
LL | | }
| |_^
|
= note: defining type: DefId(0:3 ~ escape_upvar_nested[317d]::test[0]) with substs []
= note: defining type: test

error[E0597]: `y` does not live long enough
--> $DIR/escape-upvar-nested.rs:21:40
Expand Down
4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/escape-upvar-ref.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ note: External requirements
LL | let mut closure = || p = &y;
| ^^^^^^^^^
|
= note: defining type: DefId(0:4 ~ escape_upvar_ref[317d]::test[0]::{{closure}}[0]) with closure substs [
= note: defining type: test::{{closure}}#0 with closure substs [
i16,
extern "rust-call" fn(()),
&'_#1r i32,
Expand All @@ -25,7 +25,7 @@ LL | | deref(p);
LL | | }
| |_^
|
= note: defining type: DefId(0:3 ~ escape_upvar_ref[317d]::test[0]) with substs []
= note: defining type: test

error[E0597]: `y` does not live long enough
--> $DIR/escape-upvar-ref.rs:23:35
Expand Down
4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ LL | | demand_y(x, y, p)
LL | | },
| |_________^
|
= note: defining type: DefId(0:18 ~ propagate_approximated_fail_no_postdom[317d]::supply[0]::{{closure}}[0]) with closure substs [
= note: defining type: supply::{{closure}}#0 with closure substs [
i16,
for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>, std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) &'_#3r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>)),
]
Expand Down Expand Up @@ -39,7 +39,7 @@ LL | | );
LL | | }
| |_^
|
= note: defining type: DefId(0:14 ~ propagate_approximated_fail_no_postdom[317d]::supply[0]) with substs []
= note: defining type: supply

error: aborting due to previous error

4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ LL | |
LL | | });
| |_____^
|
= note: defining type: DefId(0:16 ~ propagate_approximated_ref[317d]::supply[0]::{{closure}}[0]) with closure substs [
= note: defining type: supply::{{closure}}#0 with closure substs [
i16,
for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't1)) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't3)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't1)) u32>)),
]
Expand All @@ -30,7 +30,7 @@ LL | | });
LL | | }
| |_^
|
= note: defining type: DefId(0:13 ~ propagate_approximated_ref[317d]::supply[0]) with substs []
= note: defining type: supply

error: lifetime may not live long enough
--> $DIR/propagate-approximated-ref.rs:45:9
Expand Down
8 changes: 4 additions & 4 deletions ...osure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ LL | |
LL | | })
| |_____^
|
= note: defining type: DefId(0:9 ~ propagate_approximated_shorter_to_static_comparing_against_free[317d]::case1[0]::{{closure}}[0]) with closure substs [
= note: defining type: case1::{{closure}}#0 with closure substs [
i32,
for<'r> extern "rust-call" fn((std::cell::Cell<&'_#1r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>)),
]
Expand All @@ -35,7 +35,7 @@ LL | | })
LL | | }
| |_^
|
= note: defining type: DefId(0:8 ~ propagate_approximated_shorter_to_static_comparing_against_free[317d]::case1[0]) with substs []
= note: defining type: case1

note: External requirements
--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:35:15
Expand All @@ -46,7 +46,7 @@ LL | | cell_x.set(cell_a.get()); // forces 'a: 'x, implies 'a = 'static
LL | | })
| |_____^
|
= note: defining type: DefId(0:11 ~ propagate_approximated_shorter_to_static_comparing_against_free[317d]::case2[0]::{{closure}}[0]) with closure substs [
= note: defining type: case2::{{closure}}#0 with closure substs [
i32,
for<'r> extern "rust-call" fn((std::cell::Cell<&'_#1r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>)),
]
Expand All @@ -65,7 +65,7 @@ LL | | })
LL | | }
| |_^
|
= note: defining type: DefId(0:10 ~ propagate_approximated_shorter_to_static_comparing_against_free[317d]::case2[0]) with substs []
= note: defining type: case2

error[E0597]: `a` does not live long enough
--> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:30:26
Expand Down
4 changes: 2 additions & 2 deletions ...test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr
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Expand Up @@ -10,7 +10,7 @@ LL | | demand_y(x, y, x.get())
LL | | });
| |_____^
|
= note: defining type: DefId(0:16 ~ propagate_approximated_shorter_to_static_no_bound[317d]::supply[0]::{{closure}}[0]) with closure substs [
= note: defining type: supply::{{closure}}#0 with closure substs [
i16,
for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't1)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't2)) u32>)),
]
Expand All @@ -31,7 +31,7 @@ LL | | });
LL | | }
| |_^
|
= note: defining type: DefId(0:13 ~ propagate_approximated_shorter_to_static_no_bound[317d]::supply[0]) with substs []
= note: defining type: supply

error[E0521]: borrowed data escapes outside of function
--> $DIR/propagate-approximated-shorter-to-static-no-bound.rs:32:5
Expand Down
4 changes: 2 additions & 2 deletions ...t/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr
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Expand Up @@ -10,7 +10,7 @@ LL | | demand_y(x, y, x.get())
LL | | });
| |_____^
|
= note: defining type: DefId(0:16 ~ propagate_approximated_shorter_to_static_wrong_bound[317d]::supply[0]::{{closure}}[0]) with closure substs [
= note: defining type: supply::{{closure}}#0 with closure substs [
i16,
for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't0)) std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't1)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't3)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't1)) u32>)),
]
Expand All @@ -31,7 +31,7 @@ LL | | });
LL | | }
| |_^
|
= note: defining type: DefId(0:13 ~ propagate_approximated_shorter_to_static_wrong_bound[317d]::supply[0]) with substs []
= note: defining type: supply

error[E0521]: borrowed data escapes outside of function
--> $DIR/propagate-approximated-shorter-to-static-wrong-bound.rs:35:5
Expand Down
4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr
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Expand Up @@ -9,7 +9,7 @@ LL | |
LL | | });
| |_____^
|
= note: defining type: DefId(0:16 ~ propagate_approximated_val[317d]::test[0]::{{closure}}[0]) with closure substs [
= note: defining type: test::{{closure}}#0 with closure substs [
i16,
for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) &'_#2r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>)),
]
Expand All @@ -30,7 +30,7 @@ LL | | });
LL | | }
| |_^
|
= note: defining type: DefId(0:13 ~ propagate_approximated_val[317d]::test[0]) with substs []
= note: defining type: test

error: lifetime may not live long enough
--> $DIR/propagate-approximated-val.rs:38:9
Expand Down
4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr
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Expand Up @@ -8,7 +8,7 @@ LL | | demand_y(x, y, p)
LL | | },
| |_________^
|
= note: defining type: DefId(0:14 ~ propagate_despite_same_free_region[317d]::supply[0]::{{closure}}[0]) with closure substs [
= note: defining type: supply::{{closure}}#0 with closure substs [
i16,
for<'r, 's> extern "rust-call" fn((std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) &'_#2r u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) u32>, std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>)),
]
Expand All @@ -28,5 +28,5 @@ LL | | );
LL | | }
| |_^
|
= note: defining type: DefId(0:12 ~ propagate_despite_same_free_region[317d]::supply[0]) with substs []
= note: defining type: supply

4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr
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Expand Up @@ -9,7 +9,7 @@ LL | |
LL | | });
| |_____^
|
= note: defining type: DefId(0:16 ~ propagate_fail_to_approximate_longer_no_bounds[317d]::supply[0]::{{closure}}[0]) with closure substs [
= note: defining type: supply::{{closure}}#0 with closure substs [
i16,
for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't1)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>)),
]
Expand Down Expand Up @@ -39,7 +39,7 @@ LL | | });
LL | | }
| |_^
|
= note: defining type: DefId(0:13 ~ propagate_fail_to_approximate_longer_no_bounds[317d]::supply[0]) with substs []
= note: defining type: supply

error: aborting due to previous error

4 changes: 2 additions & 2 deletions ...test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr
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Expand Up @@ -9,7 +9,7 @@ LL | |
LL | | });
| |_____^
|
= note: defining type: DefId(0:16 ~ propagate_fail_to_approximate_longer_wrong_bounds[317d]::supply[0]::{{closure}}[0]) with closure substs [
= note: defining type: supply::{{closure}}#0 with closure substs [
i16,
for<'r, 's, 't0, 't1, 't2, 't3> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't1)) &'_#2r u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't2)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't3)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 't1)) u32>)),
]
Expand Down Expand Up @@ -39,7 +39,7 @@ LL | | });
LL | | }
| |_^
|
= note: defining type: DefId(0:13 ~ propagate_fail_to_approximate_longer_wrong_bounds[317d]::supply[0]) with substs []
= note: defining type: supply

error: aborting due to previous error

9 changes: 2 additions & 7 deletions src/test/ui/nll/closure-requirements/propagate-from-trait-match.stderr
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Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,7 @@ LL | | require(value);
LL | | });
| |_____^
|
= note: defining type: DefId(0:14 ~ propagate_from_trait_match[317d]::supply[0]::{{closure}}[0]) with closure substs [
'_#1r,
T,
= note: defining type: supply::<'_#1r, T>::{{closure}}#0 with closure substs [
i32,
extern "rust-call" fn((T,)),
]
Expand All @@ -32,10 +30,7 @@ LL | | });
LL | | }
| |_^
|
= note: defining type: DefId(0:11 ~ propagate_from_trait_match[317d]::supply[0]) with substs [
'_#1r,
T,
]
= note: defining type: supply::<'_#1r, T>

error[E0309]: the parameter type `T` may not live long enough
--> $DIR/propagate-from-trait-match.rs:32:36
Expand Down
4 changes: 2 additions & 2 deletions src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr
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Expand Up @@ -4,7 +4,7 @@ note: No external requirements
LL | expect_sig(|a, b| b); // ought to return `a`
| ^^^^^^^^
|
= note: defining type: DefId(0:4 ~ return_wrong_bound_region[317d]::test[0]::{{closure}}[0]) with closure substs [
= note: defining type: test::{{closure}}#0 with closure substs [
i16,
for<'r, 's> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) i32, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 's)) i32)) -> &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0), 'r)) i32,
]
Expand All @@ -27,7 +27,7 @@ LL | |
LL | | }
| |_^
|
= note: defining type: DefId(0:3 ~ return_wrong_bound_region[317d]::test[0]) with substs []
= note: defining type: test

error: aborting due to previous error

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