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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 /src/test/ui/span/issue28498-reject-lifetime-param.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 'src/test/ui/span/issue28498-reject-lifetime-param.rs')
-rw-r--r-- | src/test/ui/span/issue28498-reject-lifetime-param.rs | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/src/test/ui/span/issue28498-reject-lifetime-param.rs b/src/test/ui/span/issue28498-reject-lifetime-param.rs deleted file mode 100644 index 1e7190157..000000000 --- a/src/test/ui/span/issue28498-reject-lifetime-param.rs +++ /dev/null @@ -1,36 +0,0 @@ -// Demonstrate that having a lifetime param causes dropck to reject code -// that might indirectly access previously dropped value. -// -// Compare with run-pass/issue28498-ugeh-with-lifetime-param.rs - -#[derive(Debug)] -struct ScribbleOnDrop(String); - -impl Drop for ScribbleOnDrop { - fn drop(&mut self) { - self.0 = format!("DROPPED"); - } -} - -struct Foo<'a>(u32, &'a ScribbleOnDrop); - -impl<'a> Drop for Foo<'a> { - fn drop(&mut self) { - // Use of `may_dangle` is unsound, because destructor accesses borrowed data - // in `self.1` and we must force that to strictly outlive `self`. - println!("Dropping Foo({}, {:?})", self.0, self.1); - } -} - -fn main() { - let (last_dropped, foo0); - let (foo1, first_dropped); - - last_dropped = ScribbleOnDrop(format!("last")); - first_dropped = ScribbleOnDrop(format!("first")); - foo0 = Foo(0, &last_dropped); // OK - foo1 = Foo(1, &first_dropped); - //~^ ERROR `first_dropped` does not live long enough - - println!("foo0.1: {:?} foo1.1: {:?}", foo0.1, foo1.1); -} |