scripts: prevent GCC optimising test symbols in test-symbol-check
scripts: prevent GCC optimising test symbols in test-symbol-check

pataquets/namecoin-core,namecoin/namecoin-core,andreaskern/bitcoin,dscotese/bitcoin,prusnak/bitcoin,achow101/bitcoin,fujicoin/fujicoin,dscotese/bitcoin,lateminer/bitcoin,dscotese/bitcoin,sipsorcery/bitcoin,namecoin/namecore,domob1812/namecore,AkioNak/bitcoin,particl/particl-core,domob1812/bitcoin,particl/particl-core,tecnovert/particl-core,ajtowns/bitcoin,tecnovert/particl-core,pataquets/namecoin-core,dscotese/bitcoin,MarcoFalke/bitcoin,yenliangl/bitcoin,GroestlCoin/bitcoin,yenliangl/bitcoin,namecoin/namecoin-core,particl/particl-core,GroestlCoin/bitcoin,domob1812/bitcoin,AkioNak/bitcoin,AkioNak/bitcoin,domob1812/bitcoin,namecoin/namecoin-core,mruddy/bitcoin,fanquake/bitcoin,jlopp/statoshi,tecnovert/particl-core,namecoin/namecore,bitcoinsSG/bitcoin,namecoin/namecore,pataquets/namecoin-core,ajtowns/bitcoin,GroestlCoin/GroestlCoin,MarcoFalke/bitcoin,AkioNak/bitcoin,sstone/bitcoin,mm-s/bitcoin,jambolo/bitcoin,anditto/bitcoin,bitcoinsSG/bitcoin,fanquake/bitcoin,Xekyo/bitcoin,mm-s/bitcoin,bitcoin/bitcoin,instagibbs/bitcoin,pataquets/namecoin-core,mruddy/bitcoin,anditto/bitcoin,namecoin/namecoin-core,bitcoinsSG/bitcoin,mm-s/bitcoin,tecnovert/particl-core,domob1812/bitcoin,pataquets/namecoin-core,namecoin/namecore,lateminer/bitcoin,andreaskern/bitcoin,bitcoin/bitcoin,MarcoFalke/bitcoin,jamesob/bitcoin,sipsorcery/bitcoin,kallewoof/bitcoin,sipsorcery/bitcoin,mruddy/bitcoin,instagibbs/bitcoin,achow101/bitcoin,domob1812/namecore,jambolo/bitcoin,anditto/bitcoin,domob1812/bitcoin,jlopp/statoshi,sipsorcery/bitcoin,Xekyo/bitcoin,bitcoin/bitcoin,mruddy/bitcoin,particl/particl-core,fujicoin/fujicoin,yenliangl/bitcoin,lateminer/bitcoin,bitcoin/bitcoin,lateminer/bitcoin,lateminer/bitcoin,instagibbs/bitcoin,MarcoFalke/bitcoin,jamesob/bitcoin,MarcoFalke/bitcoin,dscotese/bitcoin,GroestlCoin/GroestlCoin,sstone/bitcoin,yenliangl/bitcoin,lateminer/bitcoin,mm-s/bitcoin,mruddy/bitcoin,anditto/bitcoin,jlopp/statoshi,instagibbs/bitcoin,tecnovert/particl-core,GroestlCoin/GroestlCoin,achow101/bitcoin,sstone/bitcoin,achow101/bitcoin,anditto/bitcoin,fanquake/bitcoin,fujicoin/fujicoin,jlopp/statoshi,bitcoinknots/bitcoin,dscotese/bitcoin,jambolo/bitcoin,prusnak/bitcoin,GroestlCoin/bitcoin,instagibbs/bitcoin,jlopp/statoshi,mm-s/bitcoin,MarcoFalke/bitcoin,fujicoin/fujicoin,kallewoof/bitcoin,fanquake/bitcoin,domob1812/namecore,achow101/bitcoin,bitcoinknots/bitcoin,namecoin/namecore,jambolo/bitcoin,jamesob/bitcoin,prusnak/bitcoin,domob1812/bitcoin,namecoin/namecoin-core,fujicoin/fujicoin,bitcoinknots/bitcoin,jambolo/bitcoin,jamesob/bitcoin,bitcoinknots/bitcoin,jamesob/bitcoin,andreaskern/bitcoin,andreaskern/bitcoin,bitcoinsSG/bitcoin,sstone/bitcoin,domob1812/namecore,namecoin/namecoin-core,Xekyo/bitcoin,GroestlCoin/bitcoin,bitcoin/bitcoin,Xekyo/bitcoin,fanquake/bitcoin,instagibbs/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,GroestlCoin/bitcoin,particl/particl-core,kallewoof/bitcoin,tecnovert/particl-core,namecoin/namecore,ajtowns/bitcoin,jambolo/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,sipsorcery/bitcoin,prusnak/bitcoin,prusnak/bitcoin,Xekyo/bitcoin,andreaskern/bitcoin,mm-s/bitcoin,andreaskern/bitcoin,sstone/bitcoin,ajtowns/bitcoin,kallewoof/bitcoin,bitcoinsSG/bitcoin,fanquake/bitcoin,particl/particl-core,bitcoinsSG/bitcoin,sipsorcery/bitcoin,yenliangl/bitcoin,anditto/bitcoin,Xekyo/bitcoin,fujicoin/fujicoin,bitcoin/bitcoin,ajtowns/bitcoin,sstone/bitcoin,pataquets/namecoin-core,prusnak/bitcoin,yenliangl/bitcoin,jamesob/bitcoin,AkioNak/bitcoin,jlopp/statoshi,GroestlCoin/bitcoin,domob1812/namecore,bitcoinknots/bitcoin,mruddy/bitcoin,AkioNak/bitcoin,domob1812/namecore,achow101/bitcoin,GroestlCoin/GroestlCoin,ajtowns/bitcoin