TClass: resolve use-after-free bug in TClass::GetClass
TClass: resolve use-after-free bug in TClass::GetClass

Found by ASan + GCC 4.9.1. Data() is called on a temporary string.

Signed-off-by: David Abdurachmanov <2419a0a16e44b15c2b2bf46aca45ed45f4079c78@cern.ch>
(cherry picked from commit 28d5d9e3bb98237bcbe376b8181ceb4f6681e912)

beniz/root,arch1tect0r/root,evgeny-boger/root,root-mirror/root,Duraznos/root,nilqed/root,sbinet/cxx-root,pspe/root,Y--/root,evgeny-boger/root,gbitzes/root,BerserkerTroll/root,zzxuanyuan/root,omazapa/root,olifre/root,BerserkerTroll/root,esakellari/root,simonpf/root,Y--/root,georgtroska/root,esakellari/root,satyarth934/root,gbitzes/root,sawenzel/root,perovic/root,pspe/root,gganis/root,jrtomps/root,bbockelm/root,gganis/root,root-mirror/root,root-mirror/root,gganis/root,mkret2/root,zzxuanyuan/root-compressor-dummy,mhuwiler/rootauto,buuck/root,arch1tect0r/root,arch1tect0r/root,lgiommi/root,zzxuanyuan/root,jrtomps/root,bbockelm/root,krafczyk/root,lgiommi/root,simonpf/root,karies/root,omazapa/root,CristinaCristescu/root,esakellari/root,BerserkerTroll/root,gbitzes/root,veprbl/root,simonpf/root,nilqed/root,olifre/root,bbockelm/root,davidlt/root,abhinavmoudgil95/root,CristinaCristescu/root,evgeny-boger/root,zzxuanyuan/root,root-mirror/root,gbitzes/root,karies/root,CristinaCristescu/root,zzxuanyuan/root-compressor-dummy,Y--/root,dfunke/root,mattkretz/root,vukasinmilosevic/root,perovic/root,lgiommi/root,karies/root,gganis/root,jrtomps/root,pspe/root,beniz/root,omazapa/root,veprbl/root,mkret2/root,olifre/root,vukasinmilosevic/root,davidlt/root,lgiommi/root,abhinavmoudgil95/root,root-mirror/root,gganis/root,sawenzel/root,Duraznos/root,zzxuanyuan/root,beniz/root,perovic/root,karies/root,CristinaCristescu/root,gbitzes/root,jrtomps/root,thomaskeck/root,karies/root,BerserkerTroll/root,esakellari/root,vukasinmilosevic/root,sawenzel/root,BerserkerTroll/root,bbockelm/root,Y--/root,Duraznos/root,satyarth934/root,jrtomps/root,perovic/root,krafczyk/root,pspe/root,Duraznos/root,veprbl/root,sirinath/root,nilqed/root,veprbl/root,Duraznos/root,buuck/root,agarciamontoro/root,zzxuanyuan/root,krafczyk/root,sawenzel/root,sirinath/root,lgiommi/root,CristinaCristescu/root,Duraznos/root,perovic/root,BerserkerTroll/root,Y--/root,olifre/root,gganis/root,buuck/root,vukasinmilosevic/root,mattkretz/root,gbitzes/root,karies/root,CristinaCristescu/root,pspe/root,evgeny-boger/root,abhinavmoudgil95/root,sawenzel/root,gganis/root,simonpf/root,agarciamontoro/root,Duraznos/root,mkret2/root,beniz/root,thomaskeck/root,sbinet/cxx-root,sbinet/cxx-root,satyarth934/root,gbitzes/root,omazapa/root,thomaskeck/root,omazapa/root,olifre/root,esakellari/root,mhuwiler/rootauto,georgtroska/root,esakellari/root,mhuwiler/rootauto,root-mirror/root,jrtomps/root,arch1tect0r/root,sawenzel/root,evgeny-boger/root,jrtomps/root,abhinavmoudgil95/root,mattkretz/root,evgeny-boger/root,BerserkerTroll/root,veprbl/root,arch1tect0r/root,esakellari/root,buuck/root,georgtroska/root,root-mirror/root,veprbl/root,simonpf/root,zzxuanyuan/root-compressor-dummy,sirinath/root,evgeny-boger/root,CristinaCristescu/root,krafczyk/root,mkret2/root,mkret2/root,mattkretz/root,omazapa/root,krafczyk/root,agarciamontoro/root,mhuwiler/rootauto,sirinath/root,arch1tect0r/root,perovic/root,zzxuanyuan/root,satyarth934/root,mhuwiler/rootauto,beniz/root,esakellari/root,olifre/root,satyarth934/root,satyarth934/root,bbockelm/root,perovic/root,BerserkerTroll/root,beniz/root,mattkretz/root,vukasinmilosevic/root,jrtomps/root,perovic/root,bbockelm/root,omazapa/root,karies/root,nilqed/root,perovic/root,georgtroska/root,pspe/root,olifre/root,zzxuanyuan/root,dfunke/root,buuck/root,abhinavmoudgil95/root,bbockelm/root,esakellari/root,jrtomps/root,lgiommi/root,satyarth934/root,thomaskeck/root,CristinaCristescu/root,zzxuanyuan/root-compressor-dummy,davidlt/root,thomaskeck/root,nilqed/root,Duraznos/root,mattkretz/root,vukasinmilosevic/root,krafczyk/root,agarciamontoro/root,dfunke/root,agarciamontoro/root,bbockelm/root,evgeny-boger/root,olifre/root,krafczyk/root,mkret2/root,mattkretz/root,abhinavmoudgil95/root,gganis/root,sbinet/cxx-root,abhinavmoudgil95/root,agarciamontoro/root,mhuwiler/rootauto,bbockelm/root,perovic/root,lgiommi/root,dfunke/root,dfunke/root,lgiommi/root,sirinath/root,buuck/root,arch1tect0r/root,Y--/root,davidlt/root,mhuwiler/rootauto,mattkretz/root,mkret2/root,evgeny-boger/root,jrtomps/root,esakellari/root,thomaskeck/root,Y--/root,arch1tect0r/root,mattkretz/root,lgiommi/root,davidlt/root,nilqed/root,BerserkerTroll/root,buuck/root,sirinath/root,CristinaCristescu/root,georgtroska/root,pspe/root,mattkretz/root,zzxuanyuan/root-compressor-dummy,mkret2/root,simonpf/root,Y--/root,sbinet/cxx-root,lgiommi/root,beniz/root,bbockelm/root,sbinet/cxx-root,satyarth934/root,Duraznos/root,veprbl/root,arch1tect0r/root,agarciamontoro/root,nilqed/root,mhuwiler/rootauto,sirinath/root,vukasinmilosevic/root,dfunke/root,sirinath/root,davidlt/root,vukasinmilosevic/root,agarciamontoro/root,zzxuanyuan/root,jrtomps/root,sawenzel/root,gganis/root,BerserkerTroll/root,sirinath/root,karies/root,satyarth934/root,pspe/root,veprbl/root,nilqed/root,zzxuanyuan/root-compressor-dummy,omazapa/root,beniz/root,nilqed/root,thomaskeck/root,Duraznos/root,georgtroska/root,olifre/root,zzxuanyuan/root,bbockelm/root,davidlt/root,arch1tect0r/root,beniz/root,vukasinmilosevic/root,vukasinmilosevic/root,pspe/root,evgeny-boger/root,sbinet/cxx-root,dfunke/root,zzxuanyuan/root-compressor-dummy,dfunke/root,root-mirror/root,veprbl/root,mkret2/root,krafczyk/root,dfunke/root,sawenzel/root,agarciamontoro/root,esakellari/root,simonpf/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root-compressor-dummy,davidlt/root,davidlt/root,dfunke/root,arch1tect0r/root,gganis/root,beniz/root,karies/root,simonpf/root,gbitzes/root,buuck/root,veprbl/root,Y--/root,CristinaCristescu/root,lgiommi/root,mkret2/root,thomaskeck/root,root-mirror/root,mhuwiler/rootauto,georgtroska/root,agarciamontoro/root,gganis/root,nilqed/root,sbinet/cxx-root,georgtroska/root,zzxuanyuan/root,zzxuanyuan/root-compressor-dummy,sawenzel/root,Duraznos/root,abhinavmoudgil95/root,sbinet/cxx-root,krafczyk/root,dfunke/root,buuck/root,CristinaCristescu/root,sawenzel/root,mattkretz/root,olifre/root,karies/root,evgeny-boger/root,vukasinmilosevic/root,gbitzes/root,abhinavmoudgil95/root,zzxuanyuan/root,davidlt/root,agarciamontoro/root,georgtroska/root,omazapa/root,satyarth934/root,mhuwiler/rootauto,thomaskeck/root,krafczyk/root,georgtroska/root,sawenzel/root,krafczyk/root,buuck/root,pspe/root,thomaskeck/root,BerserkerTroll/root,pspe/root,zzxuanyuan/root,buuck/root,simonpf/root,Y--/root,satyarth934/root,gbitzes/root,georgtroska/root,root-mirror/root,root-mirror/root,abhinavmoudgil95/root,olifre/root,simonpf/root,omazapa/root,gbitzes/root,karies/root,sbinet/cxx-root,abhinavmoudgil95/root,nilqed/root,zzxuanyuan/root-compressor-dummy,veprbl/root,omazapa/root,beniz/root,perovic/root,sirinath/root,sirinath/root,sbinet/cxx-root,simonpf/root,Y--/root,mhuwiler/rootauto,davidlt/root,mkret2/root