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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr')
-rw-r--r-- | tests/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr b/tests/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr new file mode 100644 index 000000000..96c734226 --- /dev/null +++ b/tests/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr @@ -0,0 +1,49 @@ +note: external requirements + --> $DIR/propagate-approximated-shorter-to-static-wrong-bound.rs:35:47 + | +LL | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: defining type: supply::{closure#0} with closure substs [ + i16, + for<Region(BrAnon(0, None)), Region(BrAnon(1, None)), Region(BrAnon(2, None)), Region(BrAnon(3, None)), Region(BrAnon(4, None)), Region(BrAnon(5, None))> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrAnon(0, None) }) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrAnon(1, None) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 2, kind: BrAnon(2, None) }) std::cell::Cell<&'_#2r &ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrAnon(3, None) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 4, kind: BrAnon(4, None) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrAnon(1, None) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 5, kind: BrAnon(5, None) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrAnon(3, None) }) u32>)), + (), + ] + = note: late-bound region is '_#3r + = note: late-bound region is '_#4r + = note: number of external vids: 5 + = note: where '_#1r: '_#0r + +note: no external requirements + --> $DIR/propagate-approximated-shorter-to-static-wrong-bound.rs:34:1 + | +LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: defining type: supply + +error[E0521]: borrowed data escapes outside of function + --> $DIR/propagate-approximated-shorter-to-static-wrong-bound.rs:35:5 + | +LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { + | -- ------ `cell_a` is a reference that is only valid in the function body + | | + | lifetime `'a` defined here +LL | / establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| { +LL | | +LL | | +LL | | // Only works if 'x: 'y: +LL | | demand_y(x, y, x.get()) +LL | | }); + | | ^ + | | | + | |______`cell_a` escapes the function body here + | argument requires that `'a` must outlive `'static` + | + = note: requirement occurs because of the type `Cell<&'_#10r u32>`, which makes the generic argument `&'_#10r u32` invariant + = note: the struct `Cell<T>` is invariant over the parameter `T` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0521`. |