DefId(0:3 ~ thir_tree[8f1d]::main):
Thir {
    arms: [],
    exprs: [
        Expr {
            ty: (),
            temp_lifetime: Some(
                Node(2),
            ),
            span: $DIR/thir-tree.rs:4:15: 4:17 (#0),
            kind: Block {
                body: Block {
                    targeted_by_break: false,
                    region_scope: Node(1),
                    opt_destruction_scope: None,
                    span: $DIR/thir-tree.rs:4:15: 4:17 (#0),
                    stmts: [],
                    expr: None,
                    safety_mode: Safe,
                },
            },
        },
        Expr {
            ty: (),
            temp_lifetime: Some(
                Node(2),
            ),
            span: $DIR/thir-tree.rs:4:15: 4:17 (#0),
            kind: Scope {
                region_scope: Node(2),
                lint_level: Explicit(
                    HirId {
                        owner: DefId(0:3 ~ thir_tree[8f1d]::main),
                        local_id: 2,
                    },
                ),
                value: e0,
            },
        },
        Expr {
            ty: (),
            temp_lifetime: Some(
                Node(2),
            ),
            span: $DIR/thir-tree.rs:4:15: 4:17 (#0),
            kind: Scope {
                region_scope: Destruction(2),
                lint_level: Inherited,
                value: e1,
            },
        },
    ],
    stmts: [],
}