feat: Ordered search paths for -I, -isystem, -F, -iframework + Darwin framework support (with legacy -I back-compat)
#1010
| Job | Run time |
|---|---|
| 34s | |
| 2m 13s | |
| 2m 50s | |
| 37s | |
| 49s | |
| 3m 38s | |
| 30s | |
| 11m 11s |