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 --- src/test/ui/nll/issue-54943-3.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 src/test/ui/nll/issue-54943-3.rs (limited to 'src/test/ui/nll/issue-54943-3.rs') diff --git a/src/test/ui/nll/issue-54943-3.rs b/src/test/ui/nll/issue-54943-3.rs new file mode 100644 index 000000000..077eb1563 --- /dev/null +++ b/src/test/ui/nll/issue-54943-3.rs @@ -0,0 +1,19 @@ +// check-pass +// FIXME(#54943) This test targets the scenario where proving the WF requirements requires +// knowing the value of the `_` type present in the user type annotation - unfortunately, figuring +// out the value of that `_` requires type-checking the surrounding code, but that code is dead, +// so our NLL region checker doesn't have access to it. This test should actually fail to compile. + +#![allow(warnings)] + +use std::fmt::Debug; + +fn foo(_: T) { } + +fn bar<'a>() { + return; + + let _x = foo::>(Vec::<&'a u32>::new()); +} + +fn main() {} -- cgit v1.2.3