From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/issues/issue-13204.rs | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 tests/ui/issues/issue-13204.rs (limited to 'tests/ui/issues/issue-13204.rs') diff --git a/tests/ui/issues/issue-13204.rs b/tests/ui/issues/issue-13204.rs new file mode 100644 index 000000000..3d6aba845 --- /dev/null +++ b/tests/ui/issues/issue-13204.rs @@ -0,0 +1,25 @@ +// run-pass +#![allow(unused_mut)] +// Test that when instantiating trait default methods, typeck handles +// lifetime parameters defined on the method bound correctly. + + +pub trait Foo { + fn bar<'a, I: Iterator>(&self, it: I) -> usize { + let mut xs = it.filter(|_| true); + xs.count() + } +} + +pub struct Baz; + +impl Foo for Baz { + // When instantiating `Foo::bar` for `Baz` here, typeck used to + // ICE due to the lifetime parameter of `bar`. +} + +fn main() { + let x = Baz; + let y = vec![(), (), ()]; + assert_eq!(x.bar(y.iter()), 3); +} -- cgit v1.2.3