Validate `IntPtr` and ByRef field overlap#65246

Merged

AaronRobinsonMSFT merged 9 commits intodotnet:mainfrom

AaronRobinsonMSFT:overlap_byref_and_prim

Feb 15, 2022

Commits on Feb 13, 2022

Fix loop over buffers.
AaronRobinsonMSFT
committed

Commits on Feb 14, 2022

Merge remote-tracking branch 'upstream/main' into overlap_byref_and_prim
AaronRobinsonMSFT
committed
Overlapped IntPtr and byref fields should be invalid on mono too.
AaronRobinsonMSFT
committed

Commits on Feb 15, 2022

Limit looking for ref fields to value types
AaronRobinsonMSFT
committed