record struct defined in function is invisible to type inference

[crumblingstatue]

fn main() {
    struct My {
        field: i32
    }

    let v = [My { field: 0 }];
}

If we move the definition of My above main, or make My a tuple or unit struct, type inference works.

rust-analyzer version: 2020-07-20 (c9c518e)

[lnicola]

Duplicate of #1559.