c backend: Implement aligning fields and local/global variables

There are some restrictions here.

- We either need C11 or a compiler that supports the aligned attribute
- We cannot provide align less than the type's natural C alignment.
f1b91bb41bJimmi Holst Christensen committed on 1/23/2022, 10:23:55 PM· committed by Andrew Kelleyparent7287c74
6 files changedLine totals unavailable