From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../ui/nll/ty-outlives/ty-param-implied-bounds.rs | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tests/ui/nll/ty-outlives/ty-param-implied-bounds.rs (limited to 'tests/ui/nll/ty-outlives/ty-param-implied-bounds.rs') diff --git a/tests/ui/nll/ty-outlives/ty-param-implied-bounds.rs b/tests/ui/nll/ty-outlives/ty-param-implied-bounds.rs new file mode 100644 index 000000000..9042844e8 --- /dev/null +++ b/tests/ui/nll/ty-outlives/ty-param-implied-bounds.rs @@ -0,0 +1,28 @@ +// compile-flags:-Zverbose +// check-pass + +// Test that we assume that universal types like `T` outlive the +// function body. + +use std::cell::Cell; + +fn twice(value: T, mut f: F) +where + F: FnMut(Cell<&T>), +{ + f(Cell::new(&value)); + f(Cell::new(&value)); +} + +fn generic(value: T) { + // No error here: + twice(value, |r| invoke(r)); +} + +fn invoke<'a, T>(x: Cell<&'a T>) +where + T: 'a, +{ +} + +fn main() {} -- cgit v1.2.3