cc: filter out -Wno-unused-but-set-variable
cc: filter out -Wno-unused-but-set-variable

Fixes Homebrew/homebrew#35750.

gordonmcshane/homebrew,palxex/brew,nandub/brew,muellermartin/dist,toonetown/homebrew,reitermarkus/brew,tonyg/homebrew,konqui/brew,rwhogg/brew,alyssais/brew,mahori/brew,sjackman/homebrew,Linuxbrew/brew,EricFromCanada/brew,AnastasiaSulyagina/brew,MikeMcQuaid/brew,aw1621107/brew,MikeMcQuaid/brew,tonyg/homebrew,rwhogg/brew,hanxue/linuxbrew,hanxue/linuxbrew,palxex/brew,mistydemeo/homebrew,mistydemeo/homebrew,konqui/brew,Linuxbrew/brew,claui/brew,mgrimes/brew,mistydemeo/homebrew,mahori/brew,ilovezfs/brew,vitorgalvao/brew,reitermarkus/brew,alyssais/brew,mahori/brew,DomT4/brew,claui/brew,zmwangx/brew,Homebrew/brew,vitorgalvao/brew,JCount/brew,reelsense/brew,amar-laksh/brew_sudo,staticfloat/brew,Homebrew/brew,toonetown/homebrew,zmwangx/brew,DomT4/brew,Homebrew/brew,sjackman/homebrew,Linuxbrew/brew,pseudocody/brew,EricFromCanada/brew,muellermartin/dist,gordonmcshane/homebrew,reitermarkus/brew,mgrimes/brew,AnastasiaSulyagina/brew,jmsundar/brew,nandub/brew,maxim-belkin/brew,alyssais/brew,nandub/brew,palxex/brew,reitermarkus/brew,bfontaine/brew,gregory-nisbet/brew,zmwangx/brew,vitorgalvao/brew,amar-laksh/brew_sudo,konqui/brew,rwhogg/brew,reelsense/brew,claui/brew,MikeMcQuaid/brew,tonyg/homebrew,DomT4/brew,MikeMcQuaid/brew,bfontaine/brew,JCount/brew,reelsense/brew,jmsundar/brew,Linuxbrew/brew,vitorgalvao/brew,JCount/brew,Homebrew/brew,AnastasiaSulyagina/brew,ilovezfs/brew,jmsundar/brew,muellermartin/dist,hanxue/linuxbrew,mahori/brew,gordonmcshane/homebrew,EricFromCanada/brew,sjackman/homebrew,ilovezfs/brew,DomT4/brew,maxim-belkin/brew,pseudocody/brew,gregory-nisbet/brew,mgrimes/brew,bfontaine/brew,staticfloat/brew,JCount/brew,nandub/brew,aw1621107/brew,pseudocody/brew,aw1621107/brew,claui/brew,staticfloat/brew,sjackman/homebrew,EricFromCanada/brew,toonetown/homebrew,gregory-nisbet/brew,konqui/brew,amar-laksh/brew_sudo,maxim-belkin/brew