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Don't match on region kinds when reporting NLL errors

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With NLL region kinds are always ReVar
This commit is contained in:
Matthew Jasper 2018-07-22 16:02:31 +01:00
parent 8dbbd81f7e
commit 338d545b90
66 changed files with 135 additions and 198 deletions
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109
src/librustc_mir/borrow_check/error_reporting.rs
View File

@ -14,7 +14,7 @@ use rustc::mir::{BindingForm, BorrowKind, ClearCrossCrate, Field, Local};
use rustc::mir::{LocalDecl, LocalKind, Location, Operand, Place};
use rustc::mir::{ProjectionElem, Rvalue, Statement, StatementKind};
use rustc::mir::VarBindingForm;
use rustc::ty::{self, RegionKind};
use rustc::ty;
use rustc_data_structures::indexed_vec::Idx;
use rustc_data_structures::sync::Lrc;
use syntax_pos::Span;
@ -427,34 +427,9 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
self.access_place_error_reported
.insert((root_place.clone(), borrow_span));
match (borrow.region, &self.describe_place(&borrow.borrowed_place)) {
(RegionKind::ReScope(_), Some(name)) => {
self.report_scoped_local_value_does_not_live_long_enough(
context,
name,
&scope_tree,
&borrow,
drop_span,
borrow_span,
proper_span,
);
}
(RegionKind::ReScope(_), None) => {
self.report_scoped_temporary_value_does_not_live_long_enough(
context,
&scope_tree,
&borrow,
drop_span,
borrow_span,
proper_span,
);
}
(RegionKind::ReEarlyBound(_), Some(name))
| (RegionKind::ReFree(_), Some(name))
| (RegionKind::ReStatic, Some(name))
| (RegionKind::ReEmpty, Some(name))
| (RegionKind::ReVar(_), Some(name)) => {
self.report_unscoped_local_value_does_not_live_long_enough(
match &self.describe_place(&borrow.borrowed_place) {
Some(name) => {
self.report_local_value_does_not_live_long_enough(
context,
name,
&scope_tree,
@ -465,12 +440,8 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
kind.map(|k| (k, place_span.0)),
);
}
(RegionKind::ReEarlyBound(_), None)
| (RegionKind::ReFree(_), None)
| (RegionKind::ReStatic, None)
| (RegionKind::ReEmpty, None)
| (RegionKind::ReVar(_), None) => {
self.report_unscoped_temporary_value_does_not_live_long_enough(
None => {
self.report_temporary_value_does_not_live_long_enough(
context,
&scope_tree,
&borrow,
@ -479,65 +450,10 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
proper_span,
);
}
(RegionKind::ReLateBound(_, _), _)
| (RegionKind::ReSkolemized(_, _), _)
| (RegionKind::ReClosureBound(_), _)
| (RegionKind::ReCanonical(_), _)
| (RegionKind::ReErased, _) => {
span_bug!(
drop_span,
"region {:?} does not make sense in this context",
borrow.region
);
}
}
}
fn report_scoped_local_value_does_not_live_long_enough(
&mut self,
context: Context,
name: &String,
_scope_tree: &Lrc<ScopeTree>,
borrow: &BorrowData<'tcx>,
drop_span: Span,
borrow_span: Span,
_proper_span: Span,
) {
let tcx = self.tcx;
let mut err =
tcx.path_does_not_live_long_enough(borrow_span, &format!("`{}`", name), Origin::Mir);
err.span_label(borrow_span, "borrowed value does not live long enough");
err.span_label(
drop_span,
format!("`{}` dropped here while still borrowed", name),
);
self.explain_why_borrow_contains_point(context, borrow, None, &mut err);
err.buffer(&mut self.errors_buffer);
}
fn report_scoped_temporary_value_does_not_live_long_enough(
&mut self,
context: Context,
_scope_tree: &Lrc<ScopeTree>,
borrow: &BorrowData<'tcx>,
drop_span: Span,
_borrow_span: Span,
proper_span: Span,
) {
let tcx = self.tcx;
let mut err =
tcx.path_does_not_live_long_enough(proper_span, "borrowed value", Origin::Mir);
err.span_label(proper_span, "temporary value does not live long enough");
err.span_label(
drop_span,
"temporary value dropped here while still borrowed",
);
err.note("consider using a `let` binding to increase its lifetime");
self.explain_why_borrow_contains_point(context, borrow, None, &mut err);
err.buffer(&mut self.errors_buffer);
}
fn report_unscoped_local_value_does_not_live_long_enough(
fn report_local_value_does_not_live_long_enough(
&mut self,
context: Context,
name: &String,
@ -549,7 +465,7 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
kind_place: Option<(WriteKind, &Place<'tcx>)>,
) {
debug!(
"report_unscoped_local_value_does_not_live_long_enough(\
"report_local_value_does_not_live_long_enough(\
{:?}, {:?}, {:?}, {:?}, {:?}, {:?}\
)",
context, name, scope_tree, borrow, drop_span, borrow_span
@ -559,13 +475,16 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
let mut err =
tcx.path_does_not_live_long_enough(borrow_span, &format!("`{}`", name), Origin::Mir);
err.span_label(borrow_span, "borrowed value does not live long enough");
err.span_label(drop_span, "borrowed value only lives until here");
err.span_label(
drop_span,
format!("`{}` dropped here while still borrowed", name),
);
self.explain_why_borrow_contains_point(context, borrow, kind_place, &mut err);
err.buffer(&mut self.errors_buffer);
}
fn report_unscoped_temporary_value_does_not_live_long_enough(
fn report_temporary_value_does_not_live_long_enough(
&mut self,
context: Context,
scope_tree: &Lrc<ScopeTree>,
@ -575,7 +494,7 @@ impl<'cx, 'gcx, 'tcx> MirBorrowckCtxt<'cx, 'gcx, 'tcx> {
proper_span: Span,
) {
debug!(
"report_unscoped_temporary_value_does_not_live_long_enough(\
"report_temporary_value_does_not_live_long_enough(\
{:?}, {:?}, {:?}, {:?}, {:?}\
)",
context, scope_tree, borrow, drop_span, proper_span

2
src/test/ui/borrowck/borrowck-escaping-closure-error-1.nll.stderr
View File

@ -5,7 +5,7 @@ LL | spawn(|| books.push(4));
| ^^^^^^^^^^^^^^^^ borrowed value does not live long enough
LL | //~^ ERROR E0373
LL | }
| - borrowed value only lives until here
| - `books` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...

2
src/test/ui/borrowck/borrowck-escaping-closure-error-2.nll.stderr
View File

@ -5,7 +5,7 @@ LL | Box::new(|| books.push(4))
| ^^^^^^^^^^^^^^^^ borrowed value does not live long enough
LL | //~^ ERROR E0373
LL | }
| - borrowed value only lives until here
| - `books` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 19:8...
--> $DIR/borrowck-escaping-closure-error-2.rs:19:8

2
src/test/ui/dropck/dropck-eyepatch-extern-crate.nll.stderr
View File

@ -7,7 +7,7 @@ LL | dt = Dt("dt", &c_shortest);
LL | }
| -
| |
| borrowed value only lives until here
| `c_shortest` dropped here while still borrowed
| borrow later used here, when `dt` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/dropck/dropck-eyepatch-reorder.nll.stderr
View File

@ -7,7 +7,7 @@ LL | dt = Dt("dt", &c_shortest);
LL | }
| -
| |
| borrowed value only lives until here
| `c_shortest` dropped here while still borrowed
| borrow later used here, when `dt` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/dropck/dropck-eyepatch.nll.stderr
View File

@ -7,7 +7,7 @@ LL | dt = Dt("dt", &c_shortest);
LL | }
| -
| |
| borrowed value only lives until here
| `c_shortest` dropped here while still borrowed
| borrow later used here, when `dt` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/error-codes/E0597.nll.stderr
View File

@ -7,7 +7,7 @@ LL | //~^ `y` does not live long enough [E0597]
LL | }
| -
| |
| borrowed value only lives until here
| `y` dropped here while still borrowed
| borrow later used here, when `x` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

4
src/test/ui/generator/borrowing.nll.stderr
View File

@ -5,7 +5,7 @@ LL | unsafe { (|| yield &a).resume() }
| ^^^^^^^^^^^^^ borrowed value does not live long enough
LL | //~^ ERROR: `a` does not live long enough
LL | };
| - borrowed value only lives until here
| - `a` dropped here while still borrowed
error[E0597]: `a` does not live long enough
--> $DIR/borrowing.rs:24:9
@ -16,7 +16,7 @@ LL | | //~^ ERROR: `a` does not live long enough
LL | | }
| |_________^ borrowed value does not live long enough
LL | };
| - borrowed value only lives until here
| - `a` dropped here while still borrowed
LL | }
| - borrow later used here, when `_b` is dropped

4
src/test/ui/generator/dropck.nll.stderr
View File

@ -7,7 +7,7 @@ LL | let ref_ = Box::leak(Box::new(Some(cell.borrow_mut())));
LL | }
| -
| |
| borrowed value only lives until here
| `*cell` dropped here while still borrowed
| borrow later used here, when `gen` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined
@ -26,7 +26,7 @@ LL | | };
LL | }
| -
| |
| borrowed value only lives until here
| `ref_` dropped here while still borrowed
| borrow later used here, when `gen` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/generator/ref-escapes-but-not-over-yield.nll.stderr
View File

@ -5,7 +5,7 @@ LL | a = &b;
| ^^ borrowed value does not live long enough
LL | //~^ ERROR `b` does not live long enough
LL | };
| - borrowed value only lives until here
| - `b` dropped here while still borrowed
error: aborting due to previous error

2
src/test/ui/issue-12470.nll.stderr
View File

@ -5,7 +5,7 @@ LL | let bb: &B = &*b; //~ ERROR does not live long enough
| ^^^ borrowed value does not live long enough
LL | make_a(bb)
LL | }
| - borrowed value only lives until here
| - `*b` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 36:16...
--> $DIR/issue-12470.rs:36:16

18
src/test/ui/issue-13497-2.nll.stderr Normal file
View File

@ -0,0 +1,18 @@
error[E0597]: `rawLines` does not live long enough
--> $DIR/issue-13497-2.rs:13:5
|
LL | rawLines //~ ERROR `rawLines` does not live long enough
| ^^^^^^^^ borrowed value does not live long enough
LL | .iter().map(|l| l.trim()).collect()
LL | }
| - `rawLines` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 11:24...
--> $DIR/issue-13497-2.rs:11:24
|
LL | fn read_lines_borrowed<'a>() -> Vec<&'a str> {
| ^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0597`.

2
src/test/ui/issue-17954.ast.nll.stderr
View File

@ -5,7 +5,7 @@ LL | let a = &FOO;
| ^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `FOO` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...

2
src/test/ui/issue-17954.mir.stderr
View File

@ -5,7 +5,7 @@ LL | let a = &FOO;
| ^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `FOO` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...

2
src/test/ui/issue-17954.rs
View File

@ -29,5 +29,5 @@ fn main() {
println!("{}", a);
});
}
//[mir]~^ borrowed value only lives until here
//[mir]~^ `FOO` dropped here while still borrowed
//[ast]~^^ temporary value only lives until here

2
src/test/ui/issue-18118.nll.stderr
View File

@ -57,7 +57,7 @@ LL | &p //~ ERROR `p` does not live long enough
| ^^ borrowed value does not live long enough
LL | //~^ ERROR let bindings in constants are unstable
LL | };
| - borrowed value only lives until here
| - `p` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...

2
src/test/ui/issue-30438-c.nll.stderr
View File

@ -5,7 +5,7 @@ LL | &x
| ^^ borrowed value does not live long enough
LL | //~^ ERROR: `x` does not live long enough
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'y as defined on the function body at 17:10...
--> $DIR/issue-30438-c.rs:17:10

2
src/test/ui/issue-4335.nll.stderr
View File

@ -11,7 +11,7 @@ LL | id(Box::new(|| *v))
| ^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `v` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'r as defined on the function body at 15:6...
--> $DIR/issue-4335.rs:15:6

2
src/test/ui/issue-46036.stderr
View File

@ -5,7 +5,7 @@ LL | let foo = Foo { x: &a }; //~ ERROR E0597
| ^^ borrowed value does not live long enough
LL | loop { }
LL | }
| - borrowed value only lives until here
| - `a` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...

2
src/test/ui/issue-46471-1.stderr
View File

@ -20,7 +20,7 @@ LL | | &mut z
LL | | };
| | -
| | |
| |_____borrowed value only lives until here
| |_____`z` dropped here while still borrowed
| borrow later used here
error: aborting due to 2 previous errors

2
src/test/ui/issue-46471.stderr
View File

@ -16,7 +16,7 @@ LL | &x
| ^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...

2
src/test/ui/issue-52126-assign-op-invariance.nll.stderr
View File

@ -8,7 +8,7 @@ LL | println!("accumulator before add_assign {:?}", acc.map);
| ------- borrow later used here
...
LL | }
| - borrowed value only lives until here
| - `line` dropped here while still borrowed
error: aborting due to previous error

2
src/test/ui/nll/borrowed-local-error.stderr
View File

@ -10,7 +10,7 @@ LL | | //~^ ERROR `v` does not live long enough [E0597]
LL | | });
| |_____-- borrow later used here
| |
| borrowed value only lives until here
| `v` dropped here while still borrowed
error: aborting due to previous error

2
src/test/ui/nll/borrowed-universal-error-2.stderr
View File

@ -5,7 +5,7 @@ LL | &v
| ^^ borrowed value does not live long enough
LL | //~^ ERROR `v` does not live long enough [E0597]
LL | }
| - borrowed value only lives until here
| - `v` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 14:8...
--> $DIR/borrowed-universal-error-2.rs:14:8

2
src/test/ui/nll/capture-ref-in-struct.stderr
View File

@ -5,7 +5,7 @@ LL | y: &y,
| ^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
LL |
LL | deref(p);
| - borrow later used here

2
src/test/ui/nll/closure-requirements/escape-argument.stderr
View File

@ -30,7 +30,7 @@ LL | closure(&mut p, &y);
| ^^ borrowed value does not live long enough
LL | //~^ ERROR `y` does not live long enough [E0597]
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
LL |
LL | deref(p);
| - borrow later used here

2
src/test/ui/nll/closure-requirements/escape-upvar-nested.stderr
View File

@ -57,7 +57,7 @@ LL | | };
| |_________^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
LL |
LL | deref(p);
| - borrow later used here

2
src/test/ui/nll/closure-requirements/escape-upvar-ref.stderr
View File

@ -34,7 +34,7 @@ LL | let mut closure = || p = &y;
| ^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
LL |
LL | deref(p);
| - borrow later used here

2
src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr
View File

@ -82,7 +82,7 @@ LL | let cell = Cell::new(&a);
| ^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `a` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...

2
src/test/ui/nll/issue-31567.stderr
View File

@ -5,7 +5,7 @@ LL | let s_inner: &'a S = &*v.0; //~ ERROR `*v.0` does not live long enough
| ^^^^^ borrowed value does not live long enough
LL | &s_inner.0
LL | }
| - borrowed value only lives until here
| - `*v.0` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 21:17...
--> $DIR/issue-31567.rs:21:17

2
src/test/ui/nll/issue-47470.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `local` does not live long enough
LL | &local //~ ERROR `local` does not live long enough
| ^^^^^^ borrowed value does not live long enough
LL | }
| - borrowed value only lives until here
| - `local` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the impl at 23:6...
--> $DIR/issue-47470.rs:23:6

40
src/test/ui/region-borrow-params-issue-29793-small.nll.stderr
View File

@ -5,7 +5,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors for `x
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
error[E0597]: `y` does not live long enough
--> $DIR/region-borrow-params-issue-29793-small.rs:19:17
@ -14,7 +14,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors for `x
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
error[E0597]: `x` does not live long enough
--> $DIR/region-borrow-params-issue-29793-small.rs:34:17
@ -23,7 +23,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors for `x
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
error[E0597]: `y` does not live long enough
--> $DIR/region-borrow-params-issue-29793-small.rs:34:17
@ -32,7 +32,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors for `x
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
error[E0597]: `x` does not live long enough
--> $DIR/region-borrow-params-issue-29793-small.rs:65:17
@ -41,7 +41,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors for `x
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 64:10...
--> $DIR/region-borrow-params-issue-29793-small.rs:64:10
@ -56,7 +56,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors for `x
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 64:10...
--> $DIR/region-borrow-params-issue-29793-small.rs:64:10
@ -71,7 +71,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors for `x
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 75:10...
--> $DIR/region-borrow-params-issue-29793-small.rs:75:10
@ -86,7 +86,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors for `x
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 75:10...
--> $DIR/region-borrow-params-issue-29793-small.rs:75:10
@ -101,7 +101,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 99:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:99:14
@ -116,7 +116,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 99:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:99:14
@ -131,7 +131,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 113:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:113:14
@ -146,7 +146,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 113:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:113:14
@ -161,7 +161,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 141:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:141:14
@ -176,7 +176,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 141:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:141:14
@ -191,7 +191,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 156:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:156:14
@ -206,7 +206,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 156:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:156:14
@ -221,7 +221,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 184:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:184:14
@ -236,7 +236,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 184:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:184:14
@ -251,7 +251,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 198:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:198:14
@ -266,7 +266,7 @@ LL | let f = |t: bool| if t { x } else { y }; // (separate errors fo
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the method body at 198:14...
--> $DIR/region-borrow-params-issue-29793-small.rs:198:14

2
src/test/ui/regions-nested-fns-2.nll.stderr
View File

@ -7,7 +7,7 @@ LL | | if false { &y } else { z }
LL | | });
| |_________^ borrowed value does not live long enough
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...

2
src/test/ui/span/destructor-restrictions.nll.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `*a` does not live long enough
LL | *a.borrow() + 1
| ^ borrowed value does not live long enough
LL | }; //~^ ERROR `*a` does not live long enough
| - borrowed value only lives until here
| - `*a` dropped here while still borrowed
error: aborting due to previous error

2
src/test/ui/span/dropck-object-cycle.nll.stderr
View File

@ -7,7 +7,7 @@ LL | assert_eq!(object_invoke1(&*m), (4,5));
LL | }
| -
| |
| borrowed value only lives until here
| `*m` dropped here while still borrowed
| borrow later used here, when `m` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

6
src/test/ui/span/dropck_arr_cycle_checked.nll.stderr
View File

@ -7,7 +7,7 @@ LL | b1.a[1].v.set(Some(&b3));
LL | }
| -
| |
| borrowed value only lives until here
| `b3` dropped here while still borrowed
| borrow later used here, when `b1` is dropped
error[E0597]: `b2` does not live long enough
@ -19,7 +19,7 @@ LL | b1.a[0].v.set(Some(&b2));
LL | }
| -
| |
| borrowed value only lives until here
| `b2` dropped here while still borrowed
| borrow later used here, when `b1` is dropped
error[E0597]: `b1` does not live long enough
@ -31,7 +31,7 @@ LL | b3.a[0].v.set(Some(&b1));
LL | }
| -
| |
| borrowed value only lives until here
| `b1` dropped here while still borrowed
| borrow later used here, when `b1` is dropped
error: aborting due to 3 previous errors

4
src/test/ui/span/dropck_direct_cycle_with_drop.nll.stderr
View File

@ -7,7 +7,7 @@ LL | d1.p.set(Some(&d2));
LL | }
| -
| |
| borrowed value only lives until here
| `d2` dropped here while still borrowed
| borrow later used here, when `d1` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined
@ -21,7 +21,7 @@ LL | //~^ ERROR `d1` does not live long enough
LL | }
| -
| |
| borrowed value only lives until here
| `d1` dropped here while still borrowed
| borrow later used here, when `d1` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

4
src/test/ui/span/dropck_misc_variants.nll.stderr
View File

@ -6,7 +6,7 @@ LL | _w = Wrap::<&[&str]>(NoisyDrop(&bomb));
LL | }
| -
| |
| borrowed value only lives until here
| `bomb` dropped here while still borrowed
| borrow later used here, when `_w` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined
@ -20,7 +20,7 @@ LL | let u = NoisyDrop(&v);
LL | }
| -
| |
| borrowed value only lives until here
| `v` dropped here while still borrowed
| borrow later used here, when `_w` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

6
src/test/ui/span/dropck_vec_cycle_checked.nll.stderr
View File

@ -7,7 +7,7 @@ LL | c1.v[1].v.set(Some(&c3));
LL | }
| -
| |
| borrowed value only lives until here
| `c3` dropped here while still borrowed
| borrow later used here, when `c1` is dropped
error[E0597]: `c2` does not live long enough
@ -19,7 +19,7 @@ LL | c1.v[0].v.set(Some(&c2));
LL | }
| -
| |
| borrowed value only lives until here
| `c2` dropped here while still borrowed
| borrow later used here, when `c1` is dropped
error[E0597]: `c1` does not live long enough
@ -31,7 +31,7 @@ LL | c3.v[0].v.set(Some(&c1));
LL | }
| -
| |
| borrowed value only lives until here
| `c1` dropped here while still borrowed
| borrow later used here, when `c1` is dropped
error: aborting due to 3 previous errors

2
src/test/ui/span/issue-11925.nll.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `x` does not live long enough
LL | let f = to_fn_once(move|| &x); //~ ERROR does not live long enough
| ^-
| ||
| |borrowed value only lives until here
| |`x` dropped here while still borrowed
| borrowed value does not live long enough
error: aborting due to previous error

4
src/test/ui/span/issue-23338-locals-die-before-temps-of-body.nll.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `y` does not live long enough
LL | y.borrow().clone()
| ^ borrowed value does not live long enough
LL | }
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
error[E0597]: `y` does not live long enough
--> $DIR/issue-23338-locals-die-before-temps-of-body.rs:27:9
@ -12,7 +12,7 @@ error[E0597]: `y` does not live long enough
LL | y.borrow().clone()
| ^ borrowed value does not live long enough
LL | };
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
error: aborting due to 2 previous errors

2
src/test/ui/span/issue-24805-dropck-child-has-items-via-parent.nll.stderr
View File

@ -7,7 +7,7 @@ LL | _d = D_Child(&d1);
LL | }
| -
| |
| borrowed value only lives until here
| `d1` dropped here while still borrowed
| borrow later used here, when `_d` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

6
src/test/ui/span/issue-24805-dropck-trait-has-items.nll.stderr
View File

@ -6,7 +6,7 @@ LL | _d = D_HasSelfMethod(&d1);
LL | }
| -
| |
| borrowed value only lives until here
| `d1` dropped here while still borrowed
| borrow later used here, when `_d` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined
@ -19,7 +19,7 @@ LL | _d = D_HasMethodWithSelfArg(&d1);
LL | }
| -
| |
| borrowed value only lives until here
| `d1` dropped here while still borrowed
| borrow later used here, when `_d` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined
@ -32,7 +32,7 @@ LL | _d = D_HasType(&d1);
LL | }
| -
| |
| borrowed value only lives until here
| `d1` dropped here while still borrowed
| borrow later used here, when `_d` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/span/issue-24895-copy-clone-dropck.nll.stderr
View File

@ -6,7 +6,7 @@ LL | d2 = D(S(&d1, "inner"), "d2");
LL | }
| -
| |
| borrowed value only lives until here
| `d1` dropped here while still borrowed
| borrow later used here, when `d2` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/span/issue-25199.nll.stderr
View File

@ -7,7 +7,7 @@ LL | let test = Test{test: &container};
LL | }
| -
| |
| borrowed value only lives until here
| `container` dropped here while still borrowed
| borrow later used here, when `container` is dropped
error: aborting due to previous error

2
src/test/ui/span/issue-26656.nll.stderr
View File

@ -6,7 +6,7 @@ LL | zook.button = B::BigRedButton(&ticking);
LL | }
| -
| |
| borrowed value only lives until here
| `ticking` dropped here while still borrowed
| borrow later used here, when `zook` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

4
src/test/ui/span/issue-29106.nll.stderr
View File

@ -6,7 +6,7 @@ LL | y = Arc::new(Foo(&x));
LL | }
| -
| |
| borrowed value only lives until here
| `x` dropped here while still borrowed
| borrow later used here, when `y` is dropped
error[E0597]: `x` does not live long enough
@ -17,7 +17,7 @@ LL | y = Rc::new(Foo(&x));
LL | }
| -
| |
| borrowed value only lives until here
| `x` dropped here while still borrowed
| borrow later used here, when `y` is dropped
error: aborting due to 2 previous errors

2
src/test/ui/span/issue-36537.nll.stderr
View File

@ -5,7 +5,7 @@ LL | p = &a;
| ^^^^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `a` dropped here while still borrowed
LL | p.use_ref();
| - borrow later used here

2
src/test/ui/span/issue-40157.nll.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `foo` does not live long enough
LL | {println!("{:?}", match { let foo = vec![1, 2]; foo.get(1) } { x => x });}
| ------------------------------^^^--------------------
| | | |
| | | borrowed value only lives until here
| | | `foo` dropped here while still borrowed
| | borrowed value does not live long enough
| borrow later used here

2
src/test/ui/span/issue28498-reject-ex1.nll.stderr
View File

@ -7,7 +7,7 @@ LL | foo.data[0].1.set(Some(&foo.data[1]));
LL | }
| -
| |
| borrowed value only lives until here
| `foo.data` dropped here while still borrowed
| borrow later used here, when `foo` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/span/issue28498-reject-lifetime-param.nll.stderr
View File

@ -7,7 +7,7 @@ LL | foo1 = Foo(1, &first_dropped);
LL | }
| -
| |
| borrowed value only lives until here
| `first_dropped` dropped here while still borrowed
| borrow later used here, when `foo1` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/span/issue28498-reject-passed-to-fn.nll.stderr
View File

@ -7,7 +7,7 @@ LL | foo1 = Foo(1, &first_dropped, Box::new(callback));
LL | }
| -
| |
| borrowed value only lives until here
| `first_dropped` dropped here while still borrowed
| borrow later used here, when `foo1` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/span/issue28498-reject-trait-bound.nll.stderr
View File

@ -7,7 +7,7 @@ LL | foo1 = Foo(1, &first_dropped);
LL | }
| -
| |
| borrowed value only lives until here
| `first_dropped` dropped here while still borrowed
| borrow later used here, when `foo1` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/span/mut-ptr-cant-outlive-ref.nll.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `b` does not live long enough
LL | p = &*b;
| ^ borrowed value does not live long enough
LL | }
| - borrowed value only lives until here
| - `b` dropped here while still borrowed
LL | //~^^ ERROR `b` does not live long enough
LL | p.use_ref();
| - borrow later used here

4
src/test/ui/span/range-2.nll.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `b` does not live long enough
LL | &a..&b
| ^^ borrowed value does not live long enough
LL | };
| - borrowed value only lives until here
| - `b` dropped here while still borrowed
...
LL | r.use_ref();
| - borrow later used here
@ -15,7 +15,7 @@ error[E0597]: `a` does not live long enough
LL | &a..&b
| ^^ borrowed value does not live long enough
LL | };
| - borrowed value only lives until here
| - `a` dropped here while still borrowed
...
LL | r.use_ref();
| - borrow later used here

2
src/test/ui/span/regionck-unboxed-closure-lifetimes.nll.stderr
View File

@ -5,7 +5,7 @@ LL | let c_ref = &c;
| ^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `c` dropped here while still borrowed
LL | f.use_mut();
| - borrow later used here

2
src/test/ui/span/regions-close-over-type-parameter-2.nll.stderr
View File

@ -10,7 +10,7 @@ LL | | repeater3(tmp1)
LL | | };
| | -
| | |
| |_____borrowed value only lives until here
| |_____`tmp0` dropped here while still borrowed
| borrow later used here
error: aborting due to previous error

2
src/test/ui/span/regions-escape-loop-via-variable.nll.stderr
View File

@ -6,7 +6,7 @@ LL | let x = 1 + *p;
LL | p = &x;
| ^^ borrowed value does not live long enough
LL | }
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
error: aborting due to previous error

2
src/test/ui/span/regions-escape-loop-via-vec.nll.stderr
View File

@ -41,7 +41,7 @@ LL | _y.push(&mut z);
| borrow later used here
...
LL | }
| - borrowed value only lives until here
| - `z` dropped here while still borrowed
error: aborting due to 4 previous errors

2
src/test/ui/span/regions-infer-borrow-scope-within-loop.nll.stderr
View File

@ -5,7 +5,7 @@ LL | y = borrow(&*x);
| ^^^ borrowed value does not live long enough
...
LL | }
| - borrowed value only lives until here
| - `*x` dropped here while still borrowed
LL | assert!(*y != 0);
| -- borrow later used here

4
src/test/ui/span/send-is-not-static-ensures-scoping.nll.stderr
View File

@ -8,7 +8,7 @@ LL | | //~^ ERROR `y` does not live long enough
LL | | })
| |_________^ borrowed value does not live long enough
LL | };
| - borrowed value only lives until here
| - `y` dropped here while still borrowed
LL |
LL | bad.join();
| --- borrow later used here
@ -20,7 +20,7 @@ LL | let y = &x;
| ^^ borrowed value does not live long enough
...
LL | };
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
LL |
LL | bad.join();
| --- borrow later used here

6
src/test/ui/span/send-is-not-static-std-sync-2.nll.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `x` does not live long enough
LL | Mutex::new(&x)
| ^^ borrowed value does not live long enough
LL | };
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
...
LL | let _dangling = *lock.lock().unwrap();
| ---- borrow later used here
@ -15,7 +15,7 @@ error[E0597]: `x` does not live long enough
LL | RwLock::new(&x)
| ^^ borrowed value does not live long enough
LL | };
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
LL | //~^^ ERROR `x` does not live long enough
LL | let _dangling = *lock.read().unwrap();
| ---- borrow later used here
@ -30,7 +30,7 @@ LL | let _ = tx.send(&x);
| ^^ borrowed value does not live long enough
LL | (tx, rx)
LL | };
| - borrowed value only lives until here
| - `x` dropped here while still borrowed
error: aborting due to 3 previous errors

6
src/test/ui/span/send-is-not-static-std-sync.nll.stderr
View File

@ -15,7 +15,7 @@ error[E0597]: `z` does not live long enough
LL | *lock.lock().unwrap() = &z;
| ^^ borrowed value does not live long enough
LL | }
| - borrowed value only lives until here
| - `z` dropped here while still borrowed
LL | //~^^ ERROR `z` does not live long enough
LL | lock.use_ref(); // (Mutex is #[may_dangle] so its dtor does not use `z` => needs explicit use)
| ---- borrow later used here
@ -37,7 +37,7 @@ error[E0597]: `z` does not live long enough
LL | *lock.write().unwrap() = &z;
| ^^ borrowed value does not live long enough
LL | }
| - borrowed value only lives until here
| - `z` dropped here while still borrowed
LL | //~^^ ERROR `z` does not live long enough
LL | lock.use_ref(); // (RwLock is #[may_dangle] so its dtor does not use `z` => needs explicit use)
| ---- borrow later used here
@ -59,7 +59,7 @@ error[E0597]: `z` does not live long enough
LL | tx.send(&z).unwrap();
| ^^ borrowed value does not live long enough
LL | }
| - borrowed value only lives until here
| - `z` dropped here while still borrowed
...
LL | }
| - borrow later used here, when `tx` is dropped

4
src/test/ui/span/vec-must-not-hide-type-from-dropck.nll.stderr
View File

@ -7,7 +7,7 @@ LL | c1.v[0].v.set(Some(&c2));
LL | }
| -
| |
| borrowed value only lives until here
| `c2` dropped here while still borrowed
| borrow later used here, when `c1` is dropped
error[E0597]: `c1` does not live long enough
@ -19,7 +19,7 @@ LL | //~^ ERROR `c1` does not live long enough
LL | }
| -
| |
| borrowed value only lives until here
| `c1` dropped here while still borrowed
| borrow later used here, when `c1` is dropped
error: aborting due to 2 previous errors

4
src/test/ui/span/vec_refs_data_with_early_death.nll.stderr
View File

@ -7,7 +7,7 @@ LL | v.push(&y);
LL | }
| -
| |
| borrowed value only lives until here
| `y` dropped here while still borrowed
| borrow later used here, when `v` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined
@ -21,7 +21,7 @@ LL | v.push(&x);
LL | }
| -
| |
| borrowed value only lives until here
| `x` dropped here while still borrowed
| borrow later used here, when `v` is dropped
|
= note: values in a scope are dropped in the opposite order they are defined

2
src/test/ui/span/wf-method-late-bound-regions.nll.stderr
View File

@ -4,7 +4,7 @@ error[E0597]: `pointer` does not live long enough
LL | f2.xmute(&pointer)
| ^^^^^^^^ borrowed value does not live long enough
LL | };
| - borrowed value only lives until here
| - `pointer` dropped here while still borrowed
LL | //~^^ ERROR `pointer` does not live long enough
LL | println!("{}", dangling);
| -------- borrow later used here