Replace fgMarkAddressExposedLocals (dotnet/coreclr#19621)
* Add test for 16472
* Replace fgMarkAddressExposedLocals
* CR: Move fgAddFieldSeqForZeroOffset to improve diff
* CR: Improve comments and various other small issues
* CR: Delete gtCheckQuirkAddrExposedLclVar
* Revert "disable tests\src\JIT\Methodical\fp\exgen\10w5d_cs_do (dotnet/coreclr#19465)"
This reverts commit dotnet/coreclr@
b0686a29be2eff059f080a66b7aa4febe55a01bc.
Commit migrated from https://github.com/dotnet/coreclr/commit/
091f8cfcdad7dd1df5c8e1d930ba1f4c6541a2fa