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 --- src/test/ui/lub-glb/empty-binders.rs | 45 ------------------------------------ 1 file changed, 45 deletions(-) delete mode 100644 src/test/ui/lub-glb/empty-binders.rs (limited to 'src/test/ui/lub-glb/empty-binders.rs') diff --git a/src/test/ui/lub-glb/empty-binders.rs b/src/test/ui/lub-glb/empty-binders.rs deleted file mode 100644 index f9d07e79f..000000000 --- a/src/test/ui/lub-glb/empty-binders.rs +++ /dev/null @@ -1,45 +0,0 @@ -// check-pass -// -// Check that computing the lub works even for empty binders. -fn lt<'a: 'a>() -> &'a () { - &() -} - -fn lt_in_fn<'a: 'a>() -> fn(&'a ()) { - |_| () -} - -struct Contra<'a>(fn(&'a ())); -fn lt_in_contra<'a: 'a>() -> Contra<'a> { - Contra(|_| ()) -} - -fn ok<'a, 'b, 'upper, 'lower>(v: bool) -where - 'upper: 'a, - 'upper: 'b, - 'a: 'lower, - 'b: 'lower, - -{ - let _: &'lower () = match v { - true => lt::<'a>(), - false => lt::<'b>(), - }; - - // This errored in the past because LUB and GLB always - // bailed out when encountering binders, even if they were - // empty. - let _: fn(&'upper ()) = match v { - true => lt_in_fn::<'a>(), - false => lt_in_fn::<'b>(), - }; - - // This was already accepted, as relate didn't encounter any binders. - let _: Contra<'upper> = match v { - true => lt_in_contra::<'a>(), - false => lt_in_contra::<'b>(), - }; -} - -fn main() {} -- cgit v1.2.3