Might be caused by the change in #11003?

Steps to Reproduce

typeof(object).GetMember("").Length;

Current Behavior

The array contains .ctor so the Length is 1.

Expected Behavior

The array should be empty?

On which platforms did you notice this

[ ] macOS
[x] Linux
[ ] Windows

Version Used:

Mono JIT compiler version 6.0.0.313 (tarball Sun Jul 14 09:57:59 UTC 2019)