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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/nll/closure-requirements/propagate-multiple-requirements.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.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-multiple-requirements.rs')
-rw-r--r-- | tests/ui/nll/closure-requirements/propagate-multiple-requirements.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/nll/closure-requirements/propagate-multiple-requirements.rs b/tests/ui/nll/closure-requirements/propagate-multiple-requirements.rs new file mode 100644 index 000000000..a9d2a0771 --- /dev/null +++ b/tests/ui/nll/closure-requirements/propagate-multiple-requirements.rs @@ -0,0 +1,23 @@ +// Test that we propagate *all* requirements to the caller, not just the first +// one. + +fn once<S, T, U, F: FnOnce(S, T) -> U>(f: F, s: S, t: T) -> U { + f(s, t) +} + +pub fn dangle() -> &'static [i32] { + let other_local_arr = [0, 2, 4]; + let local_arr = other_local_arr; + let mut out: &mut &'static [i32] = &mut (&[1] as _); + once(|mut z: &[i32], mut out_val: &mut &[i32]| { + // We unfortunately point to the first use in the closure in the error + // message + z = &local_arr; //~ ERROR + *out_val = &local_arr; + }, &[] as &[_], &mut *out); + *out +} + +fn main() { + println!("{:?}", dangle()); +} |