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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/issues/issue-39808.rs | |
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/issues/issue-39808.rs')
-rw-r--r-- | tests/ui/issues/issue-39808.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-39808.rs b/tests/ui/issues/issue-39808.rs new file mode 100644 index 000000000..a47013673 --- /dev/null +++ b/tests/ui/issues/issue-39808.rs @@ -0,0 +1,17 @@ +// run-pass +#![allow(unreachable_code)] + +// Regression test for #39808. The type parameter of `Owned` was +// considered to be "unconstrained" because the type resulting from +// `format!` (`String`) was not being propagated upward, owing to the +// fact that the expression diverges. + +use std::borrow::Cow; + +fn main() { + let _ = if false { + Cow::Owned(format!("{:?}", panic!())) + } else { + Cow::Borrowed("") + }; +} |