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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/nll/guarantor-issue-46974.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/nll/guarantor-issue-46974.rs')
-rw-r--r-- | src/test/ui/nll/guarantor-issue-46974.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/nll/guarantor-issue-46974.rs b/src/test/ui/nll/guarantor-issue-46974.rs new file mode 100644 index 000000000..96af4bf5c --- /dev/null +++ b/src/test/ui/nll/guarantor-issue-46974.rs @@ -0,0 +1,19 @@ +// Test that NLL analysis propagates lifetimes correctly through +// field accesses, Box accesses, etc. + +fn foo(s: &mut (i32,)) -> i32 { + let t = &mut *s; // this borrow should last for the entire function + let x = &t.0; + *s = (2,); //~ ERROR cannot assign to `*s` + *x +} + +fn bar(s: &Box<(i32,)>) -> &'static i32 { + // FIXME(#46983): error message should be better + &s.0 //~ ERROR lifetime may not live long enough +} + +fn main() { + foo(&mut (0,)); + bar(&Box::new((1,))); +} |