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/return_from_loop.rs | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/test/ui/nll/return_from_loop.rs (limited to 'src/test/ui/nll/return_from_loop.rs') diff --git a/src/test/ui/nll/return_from_loop.rs b/src/test/ui/nll/return_from_loop.rs new file mode 100644 index 000000000..495410894 --- /dev/null +++ b/src/test/ui/nll/return_from_loop.rs @@ -0,0 +1,35 @@ +// Basic test for liveness constraints: the region (`R1`) that appears +// in the type of `p` includes the points after `&v[0]` up to (but not +// including) the call to `use_x`. The `else` branch is not included. + +#![allow(warnings)] +#![feature(rustc_attrs)] + +struct MyStruct { + field: String +} + +fn main() { +} + +fn nll_fail() { + let mut my_struct = MyStruct { field: format!("Hello") }; + + let value = &mut my_struct.field; + loop { + my_struct.field.push_str("Hello, world!"); + //~^ ERROR [E0499] + value.len(); + return; + } +} + +fn nll_ok() { + let mut my_struct = MyStruct { field: format!("Hello") }; + + let value = &mut my_struct.field; + loop { + my_struct.field.push_str("Hello, world!"); + return; + } +} -- cgit v1.2.3