stage2: compile error fixes for AIR memory layout branch
Now the branch is compiling again, provided that one uses
`-Dskip-non-native`, but many code paths are disabled. The code paths
can now be re-enabled one at a time and updated to conform to the new
AIR memory layout.
c09b973ec2Andrew Kelley committed on 7/20/2021, 7:19:16 PMparent0f38f68