From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/nll/local-outlives-static-via-hrtb.rs | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 tests/ui/nll/local-outlives-static-via-hrtb.rs (limited to 'tests/ui/nll/local-outlives-static-via-hrtb.rs') diff --git a/tests/ui/nll/local-outlives-static-via-hrtb.rs b/tests/ui/nll/local-outlives-static-via-hrtb.rs new file mode 100644 index 000000000..5f1f9b3a7 --- /dev/null +++ b/tests/ui/nll/local-outlives-static-via-hrtb.rs @@ -0,0 +1,26 @@ +// Test that we handle the case when a local variable is borrowed for `'static` +// due to an outlives constraint involving a region in an incompatible universe + +pub trait Outlives<'this> {} + +impl<'this, T> Outlives<'this> for T where T: 'this {} +trait Reference { + type AssociatedType; +} + +impl<'a, T: 'a> Reference for &'a T { + type AssociatedType = &'a (); +} + +fn assert_static_via_hrtb(_: G) where for<'a> G: Outlives<'a> {} + +fn assert_static_via_hrtb_with_assoc_type(_: &'_ T) +where + for<'a> &'a T: Reference, +{} + +fn main() { + let local = 0; + assert_static_via_hrtb(&local); //~ ERROR `local` does not live long enough + assert_static_via_hrtb_with_assoc_type(&&local); //~ ERROR `local` does not live long enough +} -- cgit v1.2.3