Fix upgradeSyntax.sh to supply -is-interface-pp
Fix upgradeSyntax.sh to supply -is-interface-pp

let-def/reason,chenglou/reason,facebook/reason,facebook/reason,yunxing/reason,chenglou/reason,ak3n/reason,ak3n/reason,let-def/reason,yunxing/reason,yunxing/reason,cristianoc/reason,ak3n/reason,cristianoc/reason,yunxing/reason,facebook/reason,let-def/reason,cristianoc/reason,ak3n/reason,chenglou/reason