Don't drop -DNDEBUG from CMAKE_CXX_FLAGS_RELEASE (#33565)
Don't drop -DNDEBUG from CMAKE_CXX_FLAGS_RELEASE (#33565)

* Don't drop -DNDEBUG from CMAKE_CXX_FLAGS_RELEASE

* Add comment
gregomni/swift,xwu/swift,CodaFi/swift,hooman/swift,parkera/swift,tkremenek/swift,xwu/swift,nathawes/swift,ahoppen/swift,rudkx/swift,apple/swift,JGiola/swift,jmgc/swift,CodaFi/swift,tkremenek/swift,atrick/swift,benlangmuir/swift,parkera/swift,glessard/swift,glessard/swift,hooman/swift,gregomni/swift,jmgc/swift,parkera/swift,gregomni/swift,hooman/swift,gregomni/swift,rudkx/swift,tkremenek/swift,apple/swift,nathawes/swift,glessard/swift,tkremenek/swift,tkremenek/swift,nathawes/swift,ahoppen/swift,hooman/swift,parkera/swift,gregomni/swift,apple/swift,atrick/swift,nathawes/swift,ahoppen/swift,apple/swift,roambotics/swift,rudkx/swift,JGiola/swift,glessard/swift,gregomni/swift,roambotics/swift,CodaFi/swift,rudkx/swift,CodaFi/swift,nathawes/swift,jmgc/swift,benlangmuir/swift,JGiola/swift,benlangmuir/swift,atrick/swift,parkera/swift,glessard/swift,xwu/swift,roambotics/swift,CodaFi/swift,xwu/swift,roambotics/swift,ahoppen/swift,benlangmuir/swift,tkremenek/swift,xwu/swift,atrick/swift,rudkx/swift,CodaFi/swift,jmgc/swift,atrick/swift,atrick/swift,nathawes/swift,parkera/swift,hooman/swift,benlangmuir/swift,roambotics/swift,JGiola/swift,jmgc/swift,roambotics/swift,parkera/swift,xwu/swift,JGiola/swift,apple/swift,glessard/swift,jmgc/swift,apple/swift,JGiola/swift,hooman/swift,ahoppen/swift,jmgc/swift,ahoppen/swift,rudkx/swift,xwu/swift,parkera/swift,tkremenek/swift,nathawes/swift,CodaFi/swift,hooman/swift,benlangmuir/swift