Support GCC 8
Support GCC 8

DomT4/brew,vitorgalvao/brew,claui/brew,Homebrew/brew,ilovezfs/brew,Linuxbrew/brew,mgrimes/brew,reitermarkus/brew,hanxue/linuxbrew,vitorgalvao/brew,mgrimes/brew,konqui/brew,Homebrew/brew,MikeMcQuaid/brew,hanxue/linuxbrew,reitermarkus/brew,maxim-belkin/brew,sjackman/homebrew,Homebrew/brew,mgrimes/brew,konqui/brew,nandub/brew,DomT4/brew,EricFromCanada/brew,JCount/brew,ilovezfs/brew,Homebrew/brew,JCount/brew,reitermarkus/brew,mahori/brew,DomT4/brew,vitorgalvao/brew,mahori/brew,mahori/brew,EricFromCanada/brew,claui/brew,nandub/brew,JCount/brew,DomT4/brew,MikeMcQuaid/brew,sjackman/homebrew,sjackman/homebrew,Linuxbrew/brew,nandub/brew,konqui/brew,maxim-belkin/brew,EricFromCanada/brew,mahori/brew,vitorgalvao/brew,hanxue/linuxbrew,claui/brew,reitermarkus/brew,konqui/brew,Linuxbrew/brew,Linuxbrew/brew,claui/brew,nandub/brew,EricFromCanada/brew,sjackman/homebrew,maxim-belkin/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,ilovezfs/brew,JCount/brew