Obsolete attribute on overridden property gives no error

[SpaceOgre]

Version Used: 10.0.0

Steps to Reproduce:

1. Create a base class with a property
2. Inherit from the base class and mark the property as Obsolete with IsError = true
3. Build
4. No error is given and it builds fine

https://lab.razor.fyi/#nY9BSgNBEEURDWivxBMUWSUgM5jsHLKIEURRDBg3imBnphwbe7pjVU80hLmON_AK3kD3bjyHJMbYDI4Le9e_Xv3_SzzXhOiTTUlmQcxbT7WclUnhbMIOs0j4v6BntcbYKWs4OECDpOI_iMMsy50caiwx-0qmxrJTMVdPgp5NsGuknrAqY8fK3JekwS2hTJRJq_RgIPmOIyFiLZlhcbGYCgAAdtKpGMZWJXAilWk05_LXcPbGkkBCBww-QLfRjJYDGfTJjpDcBDqwEwGEobGARJZ-YdrQgXYEYfgDFKL47rQnGReFRvlQzwopcrnUoIyDZc4UUnQRMLrIW-7Crm9weTpkq9Fho37OuFxugTLsUCb1bXCUY_PKj7NjJFIJVuZBMcf9HR9tVbH_auM7t0vOhThapdxcbKy_vb68f9xsrl2vPK58Ag

Diagnostic Id: CS0619

If this is a report about a bug in an analyzer, please include the diagnostic ID and message if possible (e.g. "IDE0030: Use coalesce expression").

Expected Behavior:
To get a compiler error, just like for none overriden properties.

Actual Behavior:
No error, it compiles just fine