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/generator/issue-52398.rs | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tests/ui/generator/issue-52398.rs (limited to 'tests/ui/generator/issue-52398.rs') diff --git a/tests/ui/generator/issue-52398.rs b/tests/ui/generator/issue-52398.rs new file mode 100644 index 000000000..ada380d11 --- /dev/null +++ b/tests/ui/generator/issue-52398.rs @@ -0,0 +1,28 @@ +// run-pass +#![allow(unused_variables)] + +#![feature(generators)] + +use std::cell::RefCell; + +struct A; + +impl A { + fn test(&self, a: ()) {} +} + +fn main() { + // Test that the MIR local with type &A created for the auto-borrow adjustment + // is caught by typeck + move || { //~ WARN unused generator that must be used + A.test(yield); + }; + + // Test that the std::cell::Ref temporary returned from the `borrow` call + // is caught by typeck + let y = RefCell::new(true); + static move || { //~ WARN unused generator that must be used + yield *y.borrow(); + return "Done"; + }; +} -- cgit v1.2.3