From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../regions-outlives-projection-container-wc.rs | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/test/ui/regions/regions-outlives-projection-container-wc.rs (limited to 'src/test/ui/regions/regions-outlives-projection-container-wc.rs') diff --git a/src/test/ui/regions/regions-outlives-projection-container-wc.rs b/src/test/ui/regions/regions-outlives-projection-container-wc.rs new file mode 100644 index 000000000..4fda7774b --- /dev/null +++ b/src/test/ui/regions/regions-outlives-projection-container-wc.rs @@ -0,0 +1,35 @@ +// Test that we are imposing the requirement that every associated +// type of a bound that appears in the where clause on a struct must +// outlive the location in which the type appears, even when the +// constraint is in a where clause not a bound. Issue #22246. + +#![allow(dead_code)] + +pub trait TheTrait { + type TheAssocType; +} + +pub struct TheType<'b> { + m: [fn(&'b()); 0] +} + +impl<'b> TheTrait for TheType<'b> { + type TheAssocType = &'b (); +} + +pub struct WithAssoc where T : TheTrait { + m: [T; 0] +} + +fn with_assoc<'a,'b>() { + // For this type to be valid, the rules require that all + // associated types of traits that appear in `WithAssoc` must + // outlive 'a. In this case, that means TheType<'b>::TheAssocType, + // which is &'b (), must outlive 'a. + + let _: &'a WithAssoc> = loop { }; + //~^ ERROR lifetime may not live long enough +} + +fn main() { +} -- cgit v1.2.3