stage3: TODO @export with field access

[davidgmbb]

Zig Version

0.10.0-dev.3659+e5e6eb983

Steps to Reproduce

const F = struct {
    fn function() callconv(.C) void {}
};

test {
    comptime {
        _ = @export(F.function, .{ .name = "function", .linkage = .Strong });
    }
}

Expected Behavior

Tess pass

Actual Behavior

/home/david/dev/exp/src/main.zig:7:13: error: TODO: implement exporting with field access
        _ = @export(F.function, .{ .name = "function", .linkage = .Strong });

[gwenzek]

Could we also get @export(@field(Module, name), .{ .name = name})) ? Currently I get error: symbol to export must identify a declaration