1 #![deny(unused_variables)]
4 let Some(_): Option<u32> = ({
5 let x = 1; //~ ERROR unused variable: `x`
11 #[allow(unused_variables)]
12 let Some(_): Option<u32> = ({
19 let Some(_): Option<u32> = ({
20 #[allow(unused_variables)]
27 let x = 1; //~ ERROR unused variable: `x`