Add missing REQUIRES: executable_test to the test IRGen/98995607.swift.gyb
Add missing REQUIRES: executable_test to the test IRGen/98995607.swift.gyb

redar://99229421

apple/swift,roambotics/swift,glessard/swift,benlangmuir/swift,apple/swift,apple/swift,benlangmuir/swift,roambotics/swift,glessard/swift,benlangmuir/swift,roambotics/swift,glessard/swift,roambotics/swift,glessard/swift,benlangmuir/swift,benlangmuir/swift,apple/swift,apple/swift,glessard/swift,roambotics/swift,benlangmuir/swift,glessard/swift,apple/swift,roambotics/swift