Auto merge of #12733 - nox:panic-location, r=jdm
Auto merge of #12733 - nox:panic-location, r=jdm

Print thread name and file location when panicking

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peterjoel/servo,upsuper/servo,ConnorGBrewster/servo,canaltinova/servo,dsandeephegde/servo,emilio/servo,eddyb/servo,mattnenterprise/servo,eddyb/servo,sadmansk/servo,larsbergstrom/servo,canaltinova/servo,sadmansk/servo,larsbergstrom/servo,saneyuki/servo,nnethercote/servo,avadacatavra/servo,pyfisch/servo,larsbergstrom/servo,mbrubeck/servo,thiagopnts/servo,notriddle/servo,ConnorGBrewster/servo,paulrouget/servo,paulrouget/servo,rnestler/servo,nnethercote/servo,rnestler/servo,SimonSapin/servo,cbrewster/servo,szeged/servo,peterjoel/servo,ConnorGBrewster/servo,fiji-flo/servo,paulrouget/servo,CJ8664/servo,cbrewster/servo,splav/servo,notriddle/servo,emilio/servo,canaltinova/servo,avadacatavra/servo,CJ8664/servo,splav/servo,cbrewster/servo,SimonSapin/servo,pyfisch/servo,KiChjang/servo,ConnorGBrewster/servo,splav/servo,jimberlage/servo,upsuper/servo,fiji-flo/servo,saneyuki/servo,emilio/servo,szeged/servo,sadmansk/servo,szeged/servo,upsuper/servo,DominoTree/servo,sadmansk/servo,mbrubeck/servo,eddyb/servo,nnethercote/servo,SimonSapin/servo,dati91/servo,DominoTree/servo,fiji-flo/servo,DominoTree/servo,dsandeephegde/servo,paulrouget/servo,peterjoel/servo,canaltinova/servo,anthgur/servo,rnestler/servo,avadacatavra/servo,pyfisch/servo,anthgur/servo,dsandeephegde/servo,fiji-flo/servo,notriddle/servo,DominoTree/servo,cbrewster/servo,mattnenterprise/servo,nnethercote/servo,dsandeephegde/servo,fiji-flo/servo,thiagopnts/servo,mbrubeck/servo,rnestler/servo,ConnorGBrewster/servo,emilio/servo,pyfisch/servo,pyfisch/servo,mattnenterprise/servo,avadacatavra/servo,avadacatavra/servo,sadmansk/servo,upsuper/servo,dsandeephegde/servo,eddyb/servo,rnestler/servo,paulrouget/servo,splav/servo,emilio/servo,mattnenterprise/servo,dati91/servo,larsbergstrom/servo,upsuper/servo,CJ8664/servo,KiChjang/servo,paulrouget/servo,DominoTree/servo,notriddle/servo,canaltinova/servo,szeged/servo,saneyuki/servo,eddyb/servo,szeged/servo,jimberlage/servo,jimberlage/servo,splav/servo,notriddle/servo,notriddle/servo,cbrewster/servo,pyfisch/servo,cbrewster/servo,SimonSapin/servo,canaltinova/servo,peterjoel/servo,upsuper/servo,jimberlage/servo,rnestler/servo,dsandeephegde/servo,KiChjang/servo,SimonSapin/servo,dati91/servo,CJ8664/servo,emilio/servo,avadacatavra/servo,fiji-flo/servo,thiagopnts/servo,thiagopnts/servo,jimberlage/servo,cbrewster/servo,larsbergstrom/servo,rnestler/servo,DominoTree/servo,mattnenterprise/servo,larsbergstrom/servo,szeged/servo,CJ8664/servo,jimberlage/servo,SimonSapin/servo,saneyuki/servo,notriddle/servo,anthgur/servo,KiChjang/servo,emilio/servo,pyfisch/servo,dati91/servo,jimberlage/servo,avadacatavra/servo,larsbergstrom/servo,DominoTree/servo,mattnenterprise/servo,DominoTree/servo,larsbergstrom/servo,peterjoel/servo,splav/servo,CJ8664/servo,paulrouget/servo,paulrouget/servo,ConnorGBrewster/servo,KiChjang/servo,KiChjang/servo,szeged/servo,avadacatavra/servo,splav/servo,mbrubeck/servo,anthgur/servo,SimonSapin/servo,notriddle/servo,peterjoel/servo,anthgur/servo,mbrubeck/servo,upsuper/servo,saneyuki/servo,rnestler/servo,saneyuki/servo,dati91/servo,paulrouget/servo,nnethercote/servo,fiji-flo/servo,mbrubeck/servo,anthgur/servo,emilio/servo,thiagopnts/servo,dsandeephegde/servo,dsandeephegde/servo,splav/servo,KiChjang/servo,nnethercote/servo,pyfisch/servo,anthgur/servo,ConnorGBrewster/servo,thiagopnts/servo,mattnenterprise/servo,thiagopnts/servo,dati91/servo,notriddle/servo,nnethercote/servo,emilio/servo,anthgur/servo,canaltinova/servo,sadmansk/servo,upsuper/servo,peterjoel/servo,szeged/servo,larsbergstrom/servo,sadmansk/servo,nnethercote/servo,fiji-flo/servo,CJ8664/servo,eddyb/servo,jimberlage/servo,pyfisch/servo,paulrouget/servo,sadmansk/servo,splav/servo,canaltinova/servo,saneyuki/servo,saneyuki/servo,thiagopnts/servo,SimonSapin/servo,DominoTree/servo,saneyuki/servo,saneyuki/servo,nnethercote/servo,szeged/servo,DominoTree/servo,peterjoel/servo,notriddle/servo,pyfisch/servo,mattnenterprise/servo,CJ8664/servo,eddyb/servo,szeged/servo,larsbergstrom/servo,KiChjang/servo,splav/servo,dati91/servo,eddyb/servo,mbrubeck/servo,nnethercote/servo,ConnorGBrewster/servo,KiChjang/servo,peterjoel/servo,peterjoel/servo,cbrewster/servo,KiChjang/servo,dati91/servo,jimberlage/servo,mbrubeck/servo,emilio/servo