diff options
Diffstat (limited to 'tests/ui/nll/guarantor-issue-46974.rs')
-rw-r--r-- | tests/ui/nll/guarantor-issue-46974.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/nll/guarantor-issue-46974.rs b/tests/ui/nll/guarantor-issue-46974.rs new file mode 100644 index 000000000..96af4bf5c --- /dev/null +++ b/tests/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,))); +} |