[build-presets] Verify SwiftSyntax generated files in Linux buildbot
[build-presets] Verify SwiftSyntax generated files in Linux buildbot

We never want to re-generate SwiftSyntax files in CI. If the generated files don’t match, we should fail early instead of regenerating files and failing later on with a harder to diagnose compilation error.

JGiola/swift,ahoppen/swift,apple/swift,glessard/swift,apple/swift,ahoppen/swift,rudkx/swift,glessard/swift,benlangmuir/swift,apple/swift,roambotics/swift,rudkx/swift,atrick/swift,gregomni/swift,JGiola/swift,ahoppen/swift,rudkx/swift,JGiola/swift,gregomni/swift,roambotics/swift,gregomni/swift,apple/swift,ahoppen/swift,glessard/swift,JGiola/swift,benlangmuir/swift,benlangmuir/swift,atrick/swift,rudkx/swift,rudkx/swift,rudkx/swift,apple/swift,JGiola/swift,roambotics/swift,ahoppen/swift,gregomni/swift,JGiola/swift,glessard/swift,glessard/swift,roambotics/swift,atrick/swift,roambotics/swift,benlangmuir/swift,ahoppen/swift,benlangmuir/swift,roambotics/swift,atrick/swift,apple/swift,benlangmuir/swift,atrick/swift,gregomni/swift,atrick/swift,glessard/swift,gregomni/swift