zig fmt: format else branch with anon struct literal without extra line break

[andrewrk]

desired:

    const else_info: struct {
        src: usize,
        result: ?*zir.Inst,
    } = if (else_node != 0) blk: {
        block_scope.break_count += 1;
        const sub_scope = &else_scope.base;
        break :blk .{
            .src = token_starts[tree.lastToken(else_node)],
            .result = try expr(mod, sub_scope, block_scope.break_result_loc, else_node),
        };
    } else .{
        .src = token_starts[tree.lastToken(if_full.then_expr)],
        .result = null,
    };

however zig fmt does this:

    const else_info: struct {
        src: usize,
        result: ?*zir.Inst,
    } = if (else_node != 0) blk: {
        block_scope.break_count += 1;
        const sub_scope = &else_scope.base;
        break :blk .{
            .src = token_starts[tree.lastToken(else_node)],
            .result = try expr(mod, sub_scope, block_scope.break_result_loc, else_node),
        };
    } else
        .{
            .src = token_starts[tree.lastToken(if_full.then_expr)],
            .result = null,
        };

it messes with the else branch.

[andrewrk]

Another test case:

    const rl_and_tag: struct { rl: ResultLoc, tag: zir.Inst.Tag } = if (any_payload_is_ref) .{
        .rl = .ref,
        .tag = .switchbr_ref,
    } else .{
        .rl = .none,
        .tag = .switchbr,
    };

That's how I want it to look, but zig fmt makes it this:

    const rl_and_tag: struct { rl: ResultLoc, tag: zir.Inst.Tag } = if (any_payload_is_ref)
        .{
            .rl = .ref,
            .tag = .switchbr_ref,
        }
    else
        .{
            .rl = .none,
            .tag = .switchbr,
        };