From cf94bdc0742c13e2a0cac864c478b8626b266e1b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:11:38 +0200 Subject: Merging upstream version 1.66.0+dfsg1. Signed-off-by: Daniel Baumann --- .../issue-23338-params-outlive-temps-of-body.rs | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 src/test/ui/borrowck/issue-23338-params-outlive-temps-of-body.rs (limited to 'src/test/ui/borrowck/issue-23338-params-outlive-temps-of-body.rs') diff --git a/src/test/ui/borrowck/issue-23338-params-outlive-temps-of-body.rs b/src/test/ui/borrowck/issue-23338-params-outlive-temps-of-body.rs new file mode 100644 index 000000000..d45aaa843 --- /dev/null +++ b/src/test/ui/borrowck/issue-23338-params-outlive-temps-of-body.rs @@ -0,0 +1,30 @@ +// run-pass +// This is largely checking that we now accept code where temp values +// are borrowing from the input parameters (the `foo` case below). +// +// Compare to run-pass/issue-23338-params-outlive-temps-of-body.rs +// +// (The `foo2` case is just for parity with the above test, which +// shows what happens when you move the `y`-binding to the inside of +// the inner block.) + +use std::cell::RefCell; + +fn foo(x: RefCell) -> String { + x.borrow().clone() +} + +fn foo2(x: RefCell) -> String { + let y = x; + let ret = { + y.borrow().clone() + }; + ret +} + +pub fn main() { + let r = RefCell::new(format!("data")); + assert_eq!(foo(r), "data"); + let r = RefCell::new(format!("data")); + assert_eq!(foo2(r), "data"); +} -- cgit v1.2.3