Temporarily move FixedPoint.swift.gyb into long_test
Temporarily move FixedPoint.swift.gyb into long_test

[SR-14363] FixedPoint.swift.gyb slowed down with -Onone copy propagation

hooman/swift,tkremenek/swift,parkera/swift,ahoppen/swift,hooman/swift,glessard/swift,JGiola/swift,benlangmuir/swift,xwu/swift,atrick/swift,xwu/swift,gregomni/swift,atrick/swift,parkera/swift,rudkx/swift,benlangmuir/swift,gregomni/swift,atrick/swift,atrick/swift,parkera/swift,parkera/swift,rudkx/swift,roambotics/swift,hooman/swift,tkremenek/swift,tkremenek/swift,ahoppen/swift,benlangmuir/swift,xwu/swift,rudkx/swift,parkera/swift,glessard/swift,benlangmuir/swift,roambotics/swift,JGiola/swift,rudkx/swift,tkremenek/swift,hooman/swift,rudkx/swift,apple/swift,hooman/swift,xwu/swift,xwu/swift,tkremenek/swift,rudkx/swift,apple/swift,hooman/swift,gregomni/swift,atrick/swift,apple/swift,parkera/swift,apple/swift,glessard/swift,glessard/swift,benlangmuir/swift,roambotics/swift,benlangmuir/swift,ahoppen/swift,glessard/swift,hooman/swift,ahoppen/swift,apple/swift,JGiola/swift,atrick/swift,ahoppen/swift,gregomni/swift,apple/swift,roambotics/swift,tkremenek/swift,roambotics/swift,gregomni/swift,xwu/swift,ahoppen/swift,parkera/swift,JGiola/swift,glessard/swift,JGiola/swift,tkremenek/swift,roambotics/swift,gregomni/swift,parkera/swift,JGiola/swift,xwu/swift