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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/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.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/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.rs')
-rw-r--r-- | tests/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.rs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/tests/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.rs b/tests/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.rs new file mode 100644 index 000000000..a7b905261 --- /dev/null +++ b/tests/run-pass-valgrind/unsized-locals/long-live-the-unsized-temporary.rs @@ -0,0 +1,52 @@ +#![allow(incomplete_features)] +#![feature(unsized_locals, unsized_fn_params)] + +use std::fmt; + +fn gen_foo() -> Box<fmt::Display> { + Box::new(Box::new("foo")) +} + +fn foo(x: fmt::Display) { + assert_eq!(x.to_string(), "foo"); +} + +fn foo_indirect(x: fmt::Display) { + foo(x); +} + +fn main() { + foo(*gen_foo()); + foo_indirect(*gen_foo()); + + { + let x: fmt::Display = *gen_foo(); + foo(x); + } + + { + let x: fmt::Display = *gen_foo(); + let y: fmt::Display = *gen_foo(); + foo(x); + foo(y); + } + + { + let mut cnt: usize = 3; + let x = loop { + let x: fmt::Display = *gen_foo(); + if cnt == 0 { + break x; + } else { + cnt -= 1; + } + }; + foo(x); + } + + { + let x: fmt::Display = *gen_foo(); + let x = if true { x } else { *gen_foo() }; + foo(x); + } +} |